fs/cifs/cifspdu.h

   1 /*
   2  *   fs/cifs/cifspdu.h
   3  *
   4  *   Copyright (c) International Business Machines  Corp., 2002,2009
   5  *   Author(s): Steve French (sfrench@us.ibm.com)
   6  *
   7  *   This library is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU Lesser General Public License as published
   9  *   by the Free Software Foundation; either version 2.1 of the License, or
  10  *   (at your option) any later version.
  11  *
  12  *   This library is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  15  *   the GNU Lesser General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU Lesser General Public License
  18  *   along with this library; if not, write to the Free Software
  19  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20  */
  21
  22 #ifndef _CIFSPDU_H
  23 #define _CIFSPDU_H
  24
  25 #include <net/sock.h>
  26 #include <asm/unaligned.h>
  27 #include "smbfsctl.h"
  28
  29 #ifdef CONFIG_CIFS_WEAK_PW_HASH
  30 #define LANMAN_PROT 0
  31 #define LANMAN2_PROT 1
  32 #define CIFS_PROT   2
  33 #else
  34 #define CIFS_PROT   0
  35 #endif
  36 #define POSIX_PROT  (CIFS_PROT+1)
  37 #define BAD_PROT 0xFFFF
  38
  39 /* SMB command codes:
  40  * Note some commands have minimal (wct=0,bcc=0), or uninteresting, responses
  41  * (ie which include no useful data other than the SMB error code itself).
  42  * This can allow us to avoid response buffer allocations and copy in some cases
  43  */
  44 #define SMB_COM_CREATE_DIRECTORY      0x00 /* trivial response */
  45 #define SMB_COM_DELETE_DIRECTORY      0x01 /* trivial response */
  46 #define SMB_COM_CLOSE                 0x04 /* triv req/rsp, timestamp ignored */
  47 #define SMB_COM_FLUSH                 0x05 /* triv req/rsp */
  48 #define SMB_COM_DELETE                0x06 /* trivial response */
  49 #define SMB_COM_RENAME                0x07 /* trivial response */
  50 #define SMB_COM_QUERY_INFORMATION     0x08 /* aka getattr */
  51 #define SMB_COM_SETATTR               0x09 /* trivial response */
  52 #define SMB_COM_LOCKING_ANDX          0x24 /* trivial response */
  53 #define SMB_COM_COPY                  0x29 /* trivial rsp, fail filename ignrd*/
  54 #define SMB_COM_ECHO                  0x2B /* echo request */
  55 #define SMB_COM_OPEN_ANDX             0x2D /* Legacy open for old servers */
  56 #define SMB_COM_READ_ANDX             0x2E
  57 #define SMB_COM_WRITE_ANDX            0x2F
  58 #define SMB_COM_TRANSACTION2          0x32
  59 #define SMB_COM_TRANSACTION2_SECONDARY 0x33
  60 #define SMB_COM_FIND_CLOSE2           0x34 /* trivial response */
  61 #define SMB_COM_TREE_DISCONNECT       0x71 /* trivial response */
  62 #define SMB_COM_NEGOTIATE             0x72
  63 #define SMB_COM_SESSION_SETUP_ANDX    0x73
  64 #define SMB_COM_LOGOFF_ANDX           0x74 /* trivial response */
  65 #define SMB_COM_TREE_CONNECT_ANDX     0x75
  66 #define SMB_COM_NT_TRANSACT           0xA0
  67 #define SMB_COM_NT_TRANSACT_SECONDARY 0xA1
  68 #define SMB_COM_NT_CREATE_ANDX        0xA2
  69 #define SMB_COM_NT_CANCEL             0xA4 /* no response */
  70 #define SMB_COM_NT_RENAME             0xA5 /* trivial response */
  71
  72 /* Transact2 subcommand codes */
  73 #define TRANS2_OPEN                   0x00
  74 #define TRANS2_FIND_FIRST             0x01
  75 #define TRANS2_FIND_NEXT              0x02
  76 #define TRANS2_QUERY_FS_INFORMATION   0x03
  77 #define TRANS2_SET_FS_INFORMATION     0x04
  78 #define TRANS2_QUERY_PATH_INFORMATION 0x05
  79 #define TRANS2_SET_PATH_INFORMATION   0x06
  80 #define TRANS2_QUERY_FILE_INFORMATION 0x07
  81 #define TRANS2_SET_FILE_INFORMATION   0x08
  82 #define TRANS2_GET_DFS_REFERRAL       0x10
  83 #define TRANS2_REPORT_DFS_INCOSISTENCY 0x11
  84
  85 /* SMB Transact (Named Pipe) subcommand codes */
  86 #define TRANS_SET_NMPIPE_STATE      0x0001
  87 #define TRANS_RAW_READ_NMPIPE       0x0011
  88 #define TRANS_QUERY_NMPIPE_STATE    0x0021
  89 #define TRANS_QUERY_NMPIPE_INFO     0x0022
  90 #define TRANS_PEEK_NMPIPE           0x0023
  91 #define TRANS_TRANSACT_NMPIPE       0x0026
  92 #define TRANS_RAW_WRITE_NMPIPE      0x0031
  93 #define TRANS_READ_NMPIPE           0x0036
  94 #define TRANS_WRITE_NMPIPE          0x0037
  95 #define TRANS_WAIT_NMPIPE           0x0053
  96 #define TRANS_CALL_NMPIPE           0x0054
  97
  98 /* NT Transact subcommand codes */
  99 #define NT_TRANSACT_CREATE            0x01
 100 #define NT_TRANSACT_IOCTL             0x02
 101 #define NT_TRANSACT_SET_SECURITY_DESC 0x03
 102 #define NT_TRANSACT_NOTIFY_CHANGE     0x04
 103 #define NT_TRANSACT_RENAME            0x05
 104 #define NT_TRANSACT_QUERY_SECURITY_DESC 0x06
 105 #define NT_TRANSACT_GET_USER_QUOTA    0x07
 106 #define NT_TRANSACT_SET_USER_QUOTA    0x08
 107
 108 #define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */
 109 /* future chained NTCreateXReadX bigger, but for time being NTCreateX biggest */
 110 /* among the requests (NTCreateX response is bigger with wct of 34) */
 111 #define MAX_CIFS_HDR_SIZE 0x58 /* 4 len + 32 hdr + (2*24 wct) + 2 bct + 2 pad */
 112 #define CIFS_SMALL_PATH 120 /* allows for (448-88)/3 */
 113
 114 /* internal cifs vfs structures */
 115 /*****************************************************************
 116  * All constants go here
 117  *****************************************************************
 118  */
 119
 120 /*
 121  * Starting value for maximum SMB size negotiation
 122  */
 123 #define CIFS_MAX_MSGSIZE (4*4096)
 124
 125 /*
 126  * Size of encrypted user password in bytes
 127  */
 128 #define CIFS_ENCPWD_SIZE (16)
 129
 130 /*
 131  * Size of the crypto key returned on the negotiate SMB in bytes
 132  */
 133 #define CIFS_CRYPTO_KEY_SIZE (8)
 134
 135 /*
 136  * Size of the ntlm client response
 137  */
 138 #define CIFS_AUTH_RESP_SIZE (24)
 139
 140 /*
 141  * Size of the session key (crypto key encrypted with the password
 142  */
 143 #define CIFS_SESS_KEY_SIZE (16)
 144
 145 /*
 146  * Size of the smb3 signing key
 147  */
 148 #define SMB3_SIGN_KEY_SIZE (16)
 149
 150 #define CIFS_CLIENT_CHALLENGE_SIZE (8)
 151 #define CIFS_SERVER_CHALLENGE_SIZE (8)
 152 #define CIFS_HMAC_MD5_HASH_SIZE (16)
 153 #define CIFS_CPHTXT_SIZE (16)
 154 #define CIFS_NTHASH_SIZE (16)
 155
 156 /*
 157  * Maximum user name length
 158  */
 159 #define CIFS_UNLEN (20)
 160
 161 /*
 162  * Flags on SMB open
 163  */
 164 #define SMBOPEN_WRITE_THROUGH 0x4000
 165 #define SMBOPEN_DENY_ALL      0x0010
 166 #define SMBOPEN_DENY_WRITE    0x0020
 167 #define SMBOPEN_DENY_READ     0x0030
 168 #define SMBOPEN_DENY_NONE     0x0040
 169 #define SMBOPEN_READ          0x0000
 170 #define SMBOPEN_WRITE         0x0001
 171 #define SMBOPEN_READWRITE     0x0002
 172 #define SMBOPEN_EXECUTE       0x0003
 173
 174 #define SMBOPEN_OCREATE       0x0010
 175 #define SMBOPEN_OTRUNC        0x0002
 176 #define SMBOPEN_OAPPEND       0x0001
 177
 178 /*
 179  * SMB flag definitions
 180  */
 181 #define SMBFLG_EXTD_LOCK 0x01   /* server supports lock-read write-unlock smb */
 182 #define SMBFLG_RCV_POSTED 0x02  /* obsolete */
 183 #define SMBFLG_RSVD 0x04
 184 #define SMBFLG_CASELESS 0x08    /* all pathnames treated as caseless (off
 185                                 implies case sensitive file handling request) */
 186 #define SMBFLG_CANONICAL_PATH_FORMAT 0x10       /* obsolete */
 187 #define SMBFLG_OLD_OPLOCK 0x20  /* obsolete */
 188 #define SMBFLG_OLD_OPLOCK_NOTIFY 0x40   /* obsolete */
 189 #define SMBFLG_RESPONSE 0x80    /* this PDU is a response from server */
 190
 191 /*
 192  * SMB flag2 definitions
 193  */
 194 #define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3)
 195                                                    path names in response */
 196 #define SMBFLG2_KNOWS_EAS cpu_to_le16(2)
 197 #define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4)
 198 #define SMBFLG2_COMPRESSED (8)
 199 #define SMBFLG2_SECURITY_SIGNATURE_REQUIRED (0x10)
 200 #define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40)
 201 #define SMBFLG2_REPARSE_PATH (0x400)
 202 #define SMBFLG2_EXT_SEC cpu_to_le16(0x800)
 203 #define SMBFLG2_DFS cpu_to_le16(0x1000)
 204 #define SMBFLG2_PAGING_IO cpu_to_le16(0x2000)
 205 #define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000)
 206 #define SMBFLG2_UNICODE cpu_to_le16(0x8000)
 207
 208 /*
 209  * These are the file access permission bits defined in CIFS for the
 210  * NTCreateAndX as well as the level 0x107
 211  * TRANS2_QUERY_PATH_INFORMATION API.  The level 0x107, SMB_QUERY_FILE_ALL_INFO
 212  * responds with the AccessFlags.
 213  * The AccessFlags specifies the access permissions a caller has to the
 214  * file and can have any suitable combination of the following values:
 215  */
 216
 217 #define FILE_READ_DATA        0x00000001  /* Data can be read from the file   */
 218 #define FILE_WRITE_DATA       0x00000002  /* Data can be written to the file  */
 219 #define FILE_APPEND_DATA      0x00000004  /* Data can be appended to the file */
 220 #define FILE_READ_EA          0x00000008  /* Extended attributes associated   */
 221                                           /* with the file can be read        */
 222 #define FILE_WRITE_EA         0x00000010  /* Extended attributes associated   */
 223                                           /* with the file can be written     */
 224 #define FILE_EXECUTE          0x00000020  /*Data can be read into memory from */
 225                                           /* the file using system paging I/O */
 226 #define FILE_DELETE_CHILD     0x00000040
 227 #define FILE_READ_ATTRIBUTES  0x00000080  /* Attributes associated with the   */
 228                                           /* file can be read                 */
 229 #define FILE_WRITE_ATTRIBUTES 0x00000100  /* Attributes associated with the   */
 230                                           /* file can be written              */
 231 #define DELETE                0x00010000  /* The file can be deleted          */
 232 #define READ_CONTROL          0x00020000  /* The access control list and      */
 233                                           /* ownership associated with the    */
 234                                           /* file can be read                 */
 235 #define WRITE_DAC             0x00040000  /* The access control list and      */
 236                                           /* ownership associated with the    */
 237                                           /* file can be written.             */
 238 #define WRITE_OWNER           0x00080000  /* Ownership information associated */
 239                                           /* with the file can be written     */
 240 #define SYNCHRONIZE           0x00100000  /* The file handle can waited on to */
 241                                           /* synchronize with the completion  */
 242                                           /* of an input/output request       */
 243 #define GENERIC_ALL           0x10000000
 244 #define GENERIC_EXECUTE       0x20000000
 245 #define GENERIC_WRITE         0x40000000
 246 #define GENERIC_READ          0x80000000
 247                                          /* In summary - Relevant file       */
 248                                          /* access flags from CIFS are       */
 249                                          /* file_read_data, file_write_data  */
 250                                          /* file_execute, file_read_attributes*/
 251                                          /* write_dac, and delete.           */
 252
 253 #define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_READ_ATTRIBUTES)
 254 #define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \
 255                                 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES)
 256 #define FILE_EXEC_RIGHTS (FILE_EXECUTE)
 257
 258 #define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA | FILE_WRITE_EA \
 259                                 | FILE_READ_ATTRIBUTES \
 260                                 | FILE_WRITE_ATTRIBUTES \
 261                                 | DELETE | READ_CONTROL | WRITE_DAC \
 262                                 | WRITE_OWNER | SYNCHRONIZE)
 263 #define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \
 264                                 | FILE_READ_EA | FILE_WRITE_EA \
 265                                 | FILE_DELETE_CHILD | FILE_READ_ATTRIBUTES \
 266                                 | FILE_WRITE_ATTRIBUTES \
 267                                 | DELETE | READ_CONTROL | WRITE_DAC \
 268                                 | WRITE_OWNER | SYNCHRONIZE)
 269 #define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \
 270                                 | FILE_READ_ATTRIBUTES \
 271                                 | FILE_WRITE_ATTRIBUTES \
 272                                 | DELETE | READ_CONTROL | WRITE_DAC \
 273                                 | WRITE_OWNER | SYNCHRONIZE)
 274
 275 #define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \
 276                                 | READ_CONTROL | SYNCHRONIZE)
 277
 278
 279 /*
 280  * Invalid readdir handle
 281  */
 282 #define CIFS_NO_HANDLE        0xFFFF
 283
 284 #define NO_CHANGE_64          0xFFFFFFFFFFFFFFFFULL
 285
 286 /* IPC$ in ASCII */
 287 #define CIFS_IPC_RESOURCE "\x49\x50\x43\x24"
 288
 289 /* IPC$ in Unicode */
 290 #define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00"
 291
 292 /* Unicode Null terminate 2 bytes of 0 */
 293 #define UNICODE_NULL "\x00\x00"
 294 #define ASCII_NULL 0x00
 295
 296 /*
 297  * Server type values (returned on EnumServer API
 298  */
 299 #define CIFS_SV_TYPE_DC     0x00000008
 300 #define CIFS_SV_TYPE_BACKDC 0x00000010
 301
 302 /*
 303  * Alias type flags (From EnumAlias API call
 304  */
 305 #define CIFS_ALIAS_TYPE_FILE 0x0001
 306 #define CIFS_SHARE_TYPE_FILE 0x0000
 307
 308 /*
 309  * File Attribute flags
 310  */
 311 #define ATTR_READONLY  0x0001
 312 #define ATTR_HIDDEN    0x0002
 313 #define ATTR_SYSTEM    0x0004
 314 #define ATTR_VOLUME    0x0008
 315 #define ATTR_DIRECTORY 0x0010
 316 #define ATTR_ARCHIVE   0x0020
 317 #define ATTR_DEVICE    0x0040
 318 #define ATTR_NORMAL    0x0080
 319 #define ATTR_TEMPORARY 0x0100
 320 #define ATTR_SPARSE    0x0200
 321 #define ATTR_REPARSE   0x0400
 322 #define ATTR_COMPRESSED 0x0800
 323 #define ATTR_OFFLINE    0x1000  /* ie file not immediately available -
 324                                         on offline storage */
 325 #define ATTR_NOT_CONTENT_INDEXED 0x2000
 326 #define ATTR_ENCRYPTED  0x4000
 327 #define ATTR_POSIX_SEMANTICS 0x01000000
 328 #define ATTR_BACKUP_SEMANTICS 0x02000000
 329 #define ATTR_DELETE_ON_CLOSE 0x04000000
 330 #define ATTR_SEQUENTIAL_SCAN 0x08000000
 331 #define ATTR_RANDOM_ACCESS   0x10000000
 332 #define ATTR_NO_BUFFERING    0x20000000
 333 #define ATTR_WRITE_THROUGH   0x80000000
 334
 335 /* ShareAccess flags */
 336 #define FILE_NO_SHARE     0x00000000
 337 #define FILE_SHARE_READ   0x00000001
 338 #define FILE_SHARE_WRITE  0x00000002
 339 #define FILE_SHARE_DELETE 0x00000004
 340 #define FILE_SHARE_ALL    0x00000007
 341
 342 /* CreateDisposition flags, similar to CreateAction as well */
 343 #define FILE_SUPERSEDE    0x00000000
 344 #define FILE_OPEN         0x00000001
 345 #define FILE_CREATE       0x00000002
 346 #define FILE_OPEN_IF      0x00000003
 347 #define FILE_OVERWRITE    0x00000004
 348 #define FILE_OVERWRITE_IF 0x00000005
 349
 350 /* CreateOptions */
 351 #define CREATE_NOT_FILE         0x00000001      /* if set must not be file */
 352 #define CREATE_WRITE_THROUGH    0x00000002
 353 #define CREATE_SEQUENTIAL       0x00000004
 354 #define CREATE_NO_BUFFER        0x00000008      /* should not buffer on srv */
 355 #define CREATE_SYNC_ALERT       0x00000010      /* MBZ */
 356 #define CREATE_ASYNC_ALERT      0x00000020      /* MBZ */
 357 #define CREATE_NOT_DIR          0x00000040    /* if set must not be directory */
 358 #define CREATE_TREE_CONNECTION  0x00000080      /* should be zero */
 359 #define CREATE_COMPLETE_IF_OPLK 0x00000100      /* should be zero */
 360 #define CREATE_NO_EA_KNOWLEDGE  0x00000200
 361 #define CREATE_EIGHT_DOT_THREE  0x00000400      /* doc says this is obsolete
 362                                                  "open for recovery" flag should
 363                                                  be zero in any case */
 364 #define CREATE_OPEN_FOR_RECOVERY 0x00000400
 365 #define CREATE_RANDOM_ACCESS    0x00000800
 366 #define CREATE_DELETE_ON_CLOSE  0x00001000
 367 #define CREATE_OPEN_BY_ID       0x00002000
 368 #define CREATE_OPEN_BACKUP_INTENT 0x00004000
 369 #define CREATE_NO_COMPRESSION   0x00008000
 370 #define CREATE_RESERVE_OPFILTER 0x00100000      /* should be zero */
 371 #define OPEN_REPARSE_POINT      0x00200000
 372 #define OPEN_NO_RECALL          0x00400000
 373 #define OPEN_FREE_SPACE_QUERY   0x00800000      /* should be zero */
 374 #define CREATE_OPTIONS_MASK     0x007FFFFF
 375 #define CREATE_OPTION_READONLY  0x10000000
 376 #define CREATE_OPTION_SPECIAL   0x20000000   /* system. NB not sent over wire */
 377
 378 /* ImpersonationLevel flags */
 379 #define SECURITY_ANONYMOUS      0
 380 #define SECURITY_IDENTIFICATION 1
 381 #define SECURITY_IMPERSONATION  2
 382 #define SECURITY_DELEGATION     3
 383
 384 /* SecurityFlags */
 385 #define SECURITY_CONTEXT_TRACKING 0x01
 386 #define SECURITY_EFFECTIVE_ONLY   0x02
 387
 388 /*
 389  * Default PID value, used in all SMBs where the PID is not important
 390  */
 391 #define CIFS_DFT_PID  0x1234
 392
 393 /*
 394  * We use the same routine for Copy and Move SMBs.  This flag is used to
 395  * distinguish
 396  */
 397 #define CIFS_COPY_OP 1
 398 #define CIFS_RENAME_OP 2
 399
 400 #define GETU16(var)  (*((__u16 *)var))  /* BB check for endian issues */
 401 #define GETU32(var)  (*((__u32 *)var))  /* BB check for endian issues */
 402
 403 struct smb_hdr {
 404         __be32 smb_buf_length;  /* BB length is only two (rarely three) bytes,
 405                 with one or two byte "type" preceding it that will be
 406                 zero - we could mask the type byte off */
 407         __u8 Protocol[4];
 408         __u8 Command;
 409         union {
 410                 struct {
 411                         __u8 ErrorClass;
 412                         __u8 Reserved;
 413                         __le16 Error;
 414                 } __attribute__((packed)) DosError;
 415                 __le32 CifsError;
 416         } __attribute__((packed)) Status;
 417         __u8 Flags;
 418         __le16 Flags2;          /* note: le */
 419         __le16 PidHigh;
 420         union {
 421                 struct {
 422                         __le32 SequenceNumber;  /* le */
 423                         __u32 Reserved; /* zero */
 424                 } __attribute__((packed)) Sequence;
 425                 __u8 SecuritySignature[8];      /* le */
 426         } __attribute__((packed)) Signature;
 427         __u8 pad[2];
 428         __u16 Tid;
 429         __le16 Pid;
 430         __u16 Uid;
 431         __u16 Mid;
 432         __u8 WordCount;
 433 } __attribute__((packed));
 434
 435 /* given a pointer to an smb_hdr, retrieve a void pointer to the ByteCount */
 436 static inline void *
 437 BCC(struct smb_hdr *smb)
 438 {
 439         return (void *)smb + sizeof(*smb) + 2 * smb->WordCount;
 440 }
 441
 442 /* given a pointer to an smb_hdr retrieve the pointer to the byte area */
 443 #define pByteArea(smb_var) (BCC(smb_var) + 2)
 444
 445 /* get the unconverted ByteCount for a SMB packet and return it */
 446 static inline __u16
 447 get_bcc(struct smb_hdr *hdr)
 448 {
 449         __le16 *bc_ptr = (__le16 *)BCC(hdr);
 450
 451         return get_unaligned_le16(bc_ptr);
 452 }
 453
 454 /* set the ByteCount for a SMB packet in little-endian */
 455 static inline void
 456 put_bcc(__u16 count, struct smb_hdr *hdr)
 457 {
 458         __le16 *bc_ptr = (__le16 *)BCC(hdr);
 459
 460         put_unaligned_le16(count, bc_ptr);
 461 }
 462
 463 /*
 464  * Computer Name Length (since Netbios name was length 16 with last byte 0x20)
 465  * No longer as important, now that TCP names are more commonly used to
 466  * resolve hosts.
 467  */
 468 #define CNLEN 15
 469
 470 /*
 471  * Share Name Length (SNLEN)
 472  * Note:  This length was limited by the SMB used to get
 473  *        the Share info.   NetShareEnum only returned 13
 474  *        chars, including the null termination.
 475  * This was removed because it no longer is limiting.
 476  */
 477
 478 /*
 479  * Comment Length
 480  */
 481 #define MAXCOMMENTLEN 40
 482
 483 /*
 484  * The OS/2 maximum path name
 485  */
 486 #define MAX_PATHCONF 256
 487
 488 /*
 489  *  SMB frame definitions  (following must be packed structs)
 490  *  See the SNIA CIFS Specification for details.
 491  *
 492  *  The Naming convention is the lower case version of the
 493  *  smb command code name for the struct and this is typedef to the
 494  *  uppercase version of the same name with the prefix SMB_ removed
 495  *  for brevity.  Although typedefs are not commonly used for
 496  *  structure definitions in the Linux kernel, their use in the
 497  *  CIFS standards document, which this code is based on, may
 498  *  make this one of the cases where typedefs for structures make
 499  *  sense to improve readability for readers of the standards doc.
 500  *  Typedefs can always be removed later if they are too distracting
 501  *  and they are only used for the CIFSs PDUs themselves, not
 502  *  internal cifs vfs structures
 503  *
 504  */
 505
 506 typedef struct negotiate_req {
 507         struct smb_hdr hdr;     /* wct = 0 */
 508         __le16 ByteCount;
 509         unsigned char DialectsArray[1];
 510 } __attribute__((packed)) NEGOTIATE_REQ;
 511
 512 /* Dialect index is 13 for LANMAN */
 513
 514 #define MIN_TZ_ADJ (15 * 60) /* minimum grid for timezones in seconds */
 515
 516 typedef struct lanman_neg_rsp {
 517         struct smb_hdr hdr;     /* wct = 13 */
 518         __le16 DialectIndex;
 519         __le16 SecurityMode;
 520         __le16 MaxBufSize;
 521         __le16 MaxMpxCount;
 522         __le16 MaxNumberVcs;
 523         __le16 RawMode;
 524         __le32 SessionKey;
 525         struct {
 526                 __le16 Time;
 527                 __le16 Date;
 528         } __attribute__((packed)) SrvTime;
 529         __le16 ServerTimeZone;
 530         __le16 EncryptionKeyLength;
 531         __le16 Reserved;
 532         __u16  ByteCount;
 533         unsigned char EncryptionKey[1];
 534 } __attribute__((packed)) LANMAN_NEG_RSP;
 535
 536 #define READ_RAW_ENABLE 1
 537 #define WRITE_RAW_ENABLE 2
 538 #define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE)
 539 #define SMB1_CLIENT_GUID_SIZE (16)
 540 typedef struct negotiate_rsp {
 541         struct smb_hdr hdr;     /* wct = 17 */
 542         __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */
 543         __u8 SecurityMode;
 544         __le16 MaxMpxCount;
 545         __le16 MaxNumberVcs;
 546         __le32 MaxBufferSize;
 547         __le32 MaxRawSize;
 548         __le32 SessionKey;
 549         __le32 Capabilities;    /* see below */
 550         __le32 SystemTimeLow;
 551         __le32 SystemTimeHigh;
 552         __le16 ServerTimeZone;
 553         __u8 EncryptionKeyLength;
 554         __u16 ByteCount;
 555         union {
 556                 unsigned char EncryptionKey[1]; /* cap extended security off */
 557                 /* followed by Domain name - if extended security is off */
 558                 /* followed by 16 bytes of server GUID */
 559                 /* then security blob if cap_extended_security negotiated */
 560                 struct {
 561                         unsigned char GUID[SMB1_CLIENT_GUID_SIZE];
 562                         unsigned char SecurityBlob[1];
 563                 } __attribute__((packed)) extended_response;
 564         } __attribute__((packed)) u;
 565 } __attribute__((packed)) NEGOTIATE_RSP;
 566
 567 /* SecurityMode bits */
 568 #define SECMODE_USER          0x01      /* off indicates share level security */
 569 #define SECMODE_PW_ENCRYPT    0x02
 570 #define SECMODE_SIGN_ENABLED  0x04      /* SMB security signatures enabled */
 571 #define SECMODE_SIGN_REQUIRED 0x08      /* SMB security signatures required */
 572
 573 /* Negotiate response Capabilities */
 574 #define CAP_RAW_MODE           0x00000001
 575 #define CAP_MPX_MODE           0x00000002
 576 #define CAP_UNICODE            0x00000004
 577 #define CAP_LARGE_FILES        0x00000008
 578 #define CAP_NT_SMBS            0x00000010       /* implies CAP_NT_FIND */
 579 #define CAP_RPC_REMOTE_APIS    0x00000020
 580 #define CAP_STATUS32           0x00000040
 581 #define CAP_LEVEL_II_OPLOCKS   0x00000080
 582 #define CAP_LOCK_AND_READ      0x00000100
 583 #define CAP_NT_FIND            0x00000200
 584 #define CAP_DFS                0x00001000
 585 #define CAP_INFOLEVEL_PASSTHRU 0x00002000
 586 #define CAP_LARGE_READ_X       0x00004000
 587 #define CAP_LARGE_WRITE_X      0x00008000
 588 #define CAP_LWIO               0x00010000 /* support fctl_srv_req_resume_key */
 589 #define CAP_UNIX               0x00800000
 590 #define CAP_COMPRESSED_DATA    0x02000000
 591 #define CAP_DYNAMIC_REAUTH     0x20000000
 592 #define CAP_PERSISTENT_HANDLES 0x40000000
 593 #define CAP_EXTENDED_SECURITY  0x80000000
 594
 595 typedef union smb_com_session_setup_andx {
 596         struct {                /* request format */
 597                 struct smb_hdr hdr;     /* wct = 12 */
 598                 __u8 AndXCommand;
 599                 __u8 AndXReserved;
 600                 __le16 AndXOffset;
 601                 __le16 MaxBufferSize;
 602                 __le16 MaxMpxCount;
 603                 __le16 VcNumber;
 604                 __u32 SessionKey;
 605                 __le16 SecurityBlobLength;
 606                 __u32 Reserved;
 607                 __le32 Capabilities;    /* see below */
 608                 __le16 ByteCount;
 609                 unsigned char SecurityBlob[1];  /* followed by */
 610                 /* STRING NativeOS */
 611                 /* STRING NativeLanMan */
 612         } __attribute__((packed)) req;  /* NTLM request format (with
 613                                         extended security */
 614
 615         struct {                /* request format */
 616                 struct smb_hdr hdr;     /* wct = 13 */
 617                 __u8 AndXCommand;
 618                 __u8 AndXReserved;
 619                 __le16 AndXOffset;
 620                 __le16 MaxBufferSize;
 621                 __le16 MaxMpxCount;
 622                 __le16 VcNumber;
 623                 __u32 SessionKey;
 624                 __le16 CaseInsensitivePasswordLength; /* ASCII password len */
 625                 __le16 CaseSensitivePasswordLength; /* Unicode password length*/
 626                 __u32 Reserved; /* see below */
 627                 __le32 Capabilities;
 628                 __le16 ByteCount;
 629                 unsigned char CaseInsensitivePassword[1];     /* followed by: */
 630                 /* unsigned char * CaseSensitivePassword; */
 631                 /* STRING AccountName */
 632                 /* STRING PrimaryDomain */
 633                 /* STRING NativeOS */
 634                 /* STRING NativeLanMan */
 635         } __attribute__((packed)) req_no_secext; /* NTLM request format (without
 636                                                         extended security */
 637
 638         struct {                /* default (NTLM) response format */
 639                 struct smb_hdr hdr;     /* wct = 4 */
 640                 __u8 AndXCommand;
 641                 __u8 AndXReserved;
 642                 __le16 AndXOffset;
 643                 __le16 Action;  /* see below */
 644                 __le16 SecurityBlobLength;
 645                 __u16 ByteCount;
 646                 unsigned char SecurityBlob[1];  /* followed by */
 647 /*      unsigned char  * NativeOS;      */
 648 /*      unsigned char  * NativeLanMan;  */
 649 /*      unsigned char  * PrimaryDomain; */
 650         } __attribute__((packed)) resp; /* NTLM response
 651                                            (with or without extended sec) */
 652
 653         struct {                /* request format */
 654                 struct smb_hdr hdr;     /* wct = 10 */
 655                 __u8 AndXCommand;
 656                 __u8 AndXReserved;
 657                 __le16 AndXOffset;
 658                 __le16 MaxBufferSize;
 659                 __le16 MaxMpxCount;
 660                 __le16 VcNumber;
 661                 __u32 SessionKey;
 662                 __le16 PasswordLength;
 663                 __u32 Reserved; /* encrypt key len and offset */
 664                 __le16 ByteCount;
 665                 unsigned char AccountPassword[1];       /* followed by */
 666                 /* STRING AccountName */
 667                 /* STRING PrimaryDomain */
 668                 /* STRING NativeOS */
 669                 /* STRING NativeLanMan */
 670         } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) req format */
 671
 672         struct {                /* default (NTLM) response format */
 673                 struct smb_hdr hdr;     /* wct = 3 */
 674                 __u8 AndXCommand;
 675                 __u8 AndXReserved;
 676                 __le16 AndXOffset;
 677                 __le16 Action;  /* see below */
 678                 __u16 ByteCount;
 679                 unsigned char NativeOS[1];      /* followed by */
 680 /*      unsigned char * NativeLanMan; */
 681 /*      unsigned char * PrimaryDomain; */
 682         } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response */
 683 } __attribute__((packed)) SESSION_SETUP_ANDX;
 684
 685 /* format of NLTMv2 Response ie "case sensitive password" hash when NTLMv2 */
 686
 687 #define NTLMSSP_SERVER_TYPE     1
 688 #define NTLMSSP_DOMAIN_TYPE     2
 689 #define NTLMSSP_FQ_DOMAIN_TYPE  3
 690 #define NTLMSSP_DNS_DOMAIN_TYPE 4
 691 #define NTLMSSP_DNS_PARENT_TYPE 5
 692
 693 struct ntlmssp2_name {
 694         __le16 type;
 695         __le16 length;
 696 /*      char   name[length]; */
 697 } __attribute__((packed));
 698
 699 struct ntlmv2_resp {
 700         char ntlmv2_hash[CIFS_ENCPWD_SIZE];
 701         __le32 blob_signature;
 702         __u32  reserved;
 703         __le64  time;
 704         __u64  client_chal; /* random */
 705         __u32  reserved2;
 706         /* array of name entries could follow ending in minimum 4 byte struct */
 707 } __attribute__((packed));
 708
 709
 710 #define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux"
 711
 712 /* Capabilities bits (for NTLM SessSetup request) */
 713 #define CAP_UNICODE            0x00000004
 714 #define CAP_LARGE_FILES        0x00000008
 715 #define CAP_NT_SMBS            0x00000010
 716 #define CAP_STATUS32           0x00000040
 717 #define CAP_LEVEL_II_OPLOCKS   0x00000080
 718 #define CAP_NT_FIND            0x00000200       /* reserved should be zero
 719                                 (because NT_SMBs implies the same thing?) */
 720 #define CAP_BULK_TRANSFER      0x20000000
 721 #define CAP_EXTENDED_SECURITY  0x80000000
 722
 723 /* Action bits */
 724 #define GUEST_LOGIN 1
 725
 726 typedef struct smb_com_tconx_req {
 727         struct smb_hdr hdr;     /* wct = 4 */
 728         __u8 AndXCommand;
 729         __u8 AndXReserved;
 730         __le16 AndXOffset;
 731         __le16 Flags;           /* see below */
 732         __le16 PasswordLength;
 733         __le16 ByteCount;
 734         unsigned char Password[1];      /* followed by */
 735 /* STRING Path    *//* \\server\share name */
 736         /* STRING Service */
 737 } __attribute__((packed)) TCONX_REQ;
 738
 739 typedef struct smb_com_tconx_rsp {
 740         struct smb_hdr hdr;     /* wct = 3 , not extended response */
 741         __u8 AndXCommand;
 742         __u8 AndXReserved;
 743         __le16 AndXOffset;
 744         __le16 OptionalSupport; /* see below */
 745         __u16 ByteCount;
 746         unsigned char Service[1];       /* always ASCII, not Unicode */
 747         /* STRING NativeFileSystem */
 748 } __attribute__((packed)) TCONX_RSP;
 749
 750 typedef struct smb_com_tconx_rsp_ext {
 751         struct smb_hdr hdr;     /* wct = 7, extended response */
 752         __u8 AndXCommand;
 753         __u8 AndXReserved;
 754         __le16 AndXOffset;
 755         __le16 OptionalSupport; /* see below */
 756         __le32 MaximalShareAccessRights;
 757         __le32 GuestMaximalShareAccessRights;
 758         __u16 ByteCount;
 759         unsigned char Service[1];       /* always ASCII, not Unicode */
 760         /* STRING NativeFileSystem */
 761 } __attribute__((packed)) TCONX_RSP_EXT;
 762
 763
 764 /* tree connect Flags */
 765 #define DISCONNECT_TID          0x0001
 766 #define TCON_EXTENDED_SIGNATURES 0x0004
 767 #define TCON_EXTENDED_SECINFO   0x0008
 768
 769 /* OptionalSupport bits */
 770 #define SMB_SUPPORT_SEARCH_BITS 0x0001  /* "must have" directory search bits
 771                                          (exclusive searches supported) */
 772 #define SMB_SHARE_IS_IN_DFS     0x0002
 773 #define SMB_CSC_MASK               0x000C
 774 /* CSC flags defined as follows */
 775 #define SMB_CSC_CACHE_MANUAL_REINT 0x0000
 776 #define SMB_CSC_CACHE_AUTO_REINT   0x0004
 777 #define SMB_CSC_CACHE_VDO          0x0008
 778 #define SMB_CSC_NO_CACHING         0x000C
 779 #define SMB_UNIQUE_FILE_NAME    0x0010
 780 #define SMB_EXTENDED_SIGNATURES 0x0020
 781
 782 /* services
 783  *
 784  * A:       ie disk
 785  * LPT1:    ie printer
 786  * IPC      ie named pipe
 787  * COMM
 788  * ?????    ie any type
 789  *
 790  */
 791
 792 typedef struct smb_com_echo_req {
 793         struct  smb_hdr hdr;
 794         __le16  EchoCount;
 795         __le16  ByteCount;
 796         char    Data[1];
 797 } __attribute__((packed)) ECHO_REQ;
 798
 799 typedef struct smb_com_echo_rsp {
 800         struct  smb_hdr hdr;
 801         __le16  SequenceNumber;
 802         __le16  ByteCount;
 803         char    Data[1];
 804 } __attribute__((packed)) ECHO_RSP;
 805
 806 typedef struct smb_com_logoff_andx_req {
 807         struct smb_hdr hdr;     /* wct = 2 */
 808         __u8 AndXCommand;
 809         __u8 AndXReserved;
 810         __u16 AndXOffset;
 811         __u16 ByteCount;
 812 } __attribute__((packed)) LOGOFF_ANDX_REQ;
 813
 814 typedef struct smb_com_logoff_andx_rsp {
 815         struct smb_hdr hdr;     /* wct = 2 */
 816         __u8 AndXCommand;
 817         __u8 AndXReserved;
 818         __u16 AndXOffset;
 819         __u16 ByteCount;
 820 } __attribute__((packed)) LOGOFF_ANDX_RSP;
 821
 822 typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on
 823                                         tree_connect PDU to effect disconnect */
 824                                         /* tdis is probably simplest SMB PDU */
 825         struct {
 826                 struct smb_hdr hdr;     /* wct = 0 */
 827                 __u16 ByteCount;        /* bcc = 0 */
 828         } __attribute__((packed)) req;
 829         struct {
 830                 struct smb_hdr hdr;     /* wct = 0 */
 831                 __u16 ByteCount;        /* bcc = 0 */
 832         } __attribute__((packed)) resp;
 833 } __attribute__((packed)) TREE_DISCONNECT;
 834
 835 typedef struct smb_com_close_req {
 836         struct smb_hdr hdr;     /* wct = 3 */
 837         __u16 FileID;
 838         __u32 LastWriteTime;    /* should be zero or -1 */
 839         __u16 ByteCount;        /* 0 */
 840 } __attribute__((packed)) CLOSE_REQ;
 841
 842 typedef struct smb_com_close_rsp {
 843         struct smb_hdr hdr;     /* wct = 0 */
 844         __u16 ByteCount;        /* bct = 0 */
 845 } __attribute__((packed)) CLOSE_RSP;
 846
 847 typedef struct smb_com_flush_req {
 848         struct smb_hdr hdr;     /* wct = 1 */
 849         __u16 FileID;
 850         __u16 ByteCount;        /* 0 */
 851 } __attribute__((packed)) FLUSH_REQ;
 852
 853 typedef struct smb_com_findclose_req {
 854         struct smb_hdr hdr; /* wct = 1 */
 855         __u16 FileID;
 856         __u16 ByteCount;    /* 0 */
 857 } __attribute__((packed)) FINDCLOSE_REQ;
 858
 859 /* OpenFlags */
 860 #define REQ_MORE_INFO      0x00000001  /* legacy (OPEN_AND_X) only */
 861 #define REQ_OPLOCK         0x00000002
 862 #define REQ_BATCHOPLOCK    0x00000004
 863 #define REQ_OPENDIRONLY    0x00000008
 864 #define REQ_EXTENDED_INFO  0x00000010
 865
 866 /* File type */
 867 #define DISK_TYPE               0x0000
 868 #define BYTE_PIPE_TYPE          0x0001
 869 #define MESSAGE_PIPE_TYPE       0x0002
 870 #define PRINTER_TYPE            0x0003
 871 #define COMM_DEV_TYPE           0x0004
 872 #define UNKNOWN_TYPE            0xFFFF
 873
 874 /* Device Type or File Status Flags */
 875 #define NO_EAS                  0x0001
 876 #define NO_SUBSTREAMS           0x0002
 877 #define NO_REPARSETAG           0x0004
 878 /* following flags can apply if pipe */
 879 #define ICOUNT_MASK             0x00FF
 880 #define PIPE_READ_MODE          0x0100
 881 #define NAMED_PIPE_TYPE         0x0400
 882 #define PIPE_END_POINT          0x4000
 883 #define BLOCKING_NAMED_PIPE     0x8000
 884
 885 typedef struct smb_com_open_req {       /* also handles create */
 886         struct smb_hdr hdr;     /* wct = 24 */
 887         __u8 AndXCommand;
 888         __u8 AndXReserved;
 889         __le16 AndXOffset;
 890         __u8 Reserved;          /* Must Be Zero */
 891         __le16 NameLength;
 892         __le32 OpenFlags;
 893         __u32  RootDirectoryFid;
 894         __le32 DesiredAccess;
 895         __le64 AllocationSize;
 896         __le32 FileAttributes;
 897         __le32 ShareAccess;
 898         __le32 CreateDisposition;
 899         __le32 CreateOptions;
 900         __le32 ImpersonationLevel;
 901         __u8 SecurityFlags;
 902         __le16 ByteCount;
 903         char fileName[1];
 904 } __attribute__((packed)) OPEN_REQ;
 905
 906 /* open response: oplock levels */
 907 #define OPLOCK_NONE      0
 908 #define OPLOCK_EXCLUSIVE 1
 909 #define OPLOCK_BATCH     2
 910 #define OPLOCK_READ      3  /* level 2 oplock */
 911
 912 /* open response for CreateAction shifted left */
 913 #define CIFS_CREATE_ACTION 0x20000 /* file created */
 914
 915 typedef struct smb_com_open_rsp {
 916         struct smb_hdr hdr;     /* wct = 34 BB */
 917         __u8 AndXCommand;
 918         __u8 AndXReserved;
 919         __le16 AndXOffset;
 920         __u8 OplockLevel;
 921         __u16 Fid;
 922         __le32 CreateAction;
 923         __le64 CreationTime;
 924         __le64 LastAccessTime;
 925         __le64 LastWriteTime;
 926         __le64 ChangeTime;
 927         __le32 FileAttributes;
 928         __le64 AllocationSize;
 929         __le64 EndOfFile;
 930         __le16 FileType;
 931         __le16 DeviceState;
 932         __u8 DirectoryFlag;
 933         __u16 ByteCount;        /* bct = 0 */
 934 } __attribute__((packed)) OPEN_RSP;
 935
 936 typedef struct smb_com_open_rsp_ext {
 937         struct smb_hdr hdr;     /* wct = 42 but meaningless due to MS bug? */
 938         __u8 AndXCommand;
 939         __u8 AndXReserved;
 940         __le16 AndXOffset;
 941         __u8 OplockLevel;
 942         __u16 Fid;
 943         __le32 CreateAction;
 944         __le64 CreationTime;
 945         __le64 LastAccessTime;
 946         __le64 LastWriteTime;
 947         __le64 ChangeTime;
 948         __le32 FileAttributes;
 949         __le64 AllocationSize;
 950         __le64 EndOfFile;
 951         __le16 FileType;
 952         __le16 DeviceState;
 953         __u8 DirectoryFlag;
 954         __u8 VolumeGUID[16];
 955         __u64 FileId; /* note no endian conversion - is opaque UniqueID */
 956         __le32 MaximalAccessRights;
 957         __le32 GuestMaximalAccessRights;
 958         __u16 ByteCount;        /* bct = 0 */
 959 } __attribute__((packed)) OPEN_RSP_EXT;
 960
 961
 962 /* format of legacy open request */
 963 typedef struct smb_com_openx_req {
 964         struct smb_hdr  hdr;    /* wct = 15 */
 965         __u8 AndXCommand;
 966         __u8 AndXReserved;
 967         __le16 AndXOffset;
 968         __le16 OpenFlags;
 969         __le16 Mode;
 970         __le16 Sattr; /* search attributes */
 971         __le16 FileAttributes;  /* dos attrs */
 972         __le32 CreateTime; /* os2 format */
 973         __le16 OpenFunction;
 974         __le32 EndOfFile;
 975         __le32 Timeout;
 976         __le32 Reserved;
 977         __le16  ByteCount;  /* file name follows */
 978         char   fileName[1];
 979 } __attribute__((packed)) OPENX_REQ;
 980
 981 typedef struct smb_com_openx_rsp {
 982         struct smb_hdr  hdr;    /* wct = 15 */
 983         __u8 AndXCommand;
 984         __u8 AndXReserved;
 985         __le16 AndXOffset;
 986         __u16  Fid;
 987         __le16 FileAttributes;
 988         __le32 LastWriteTime; /* os2 format */
 989         __le32 EndOfFile;
 990         __le16 Access;
 991         __le16 FileType;
 992         __le16 IPCState;
 993         __le16 Action;
 994         __u32  FileId;
 995         __u16  Reserved;
 996         __u16  ByteCount;
 997 } __attribute__((packed)) OPENX_RSP;
 998
 999 /* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */
1000
1001 /* Legacy write request for older servers */
1002 typedef struct smb_com_writex_req {
1003         struct smb_hdr hdr;     /* wct = 12 */
1004         __u8 AndXCommand;
1005         __u8 AndXReserved;
1006         __le16 AndXOffset;
1007         __u16 Fid;
1008         __le32 OffsetLow;
1009         __u32 Reserved; /* Timeout */
1010         __le16 WriteMode; /* 1 = write through */
1011         __le16 Remaining;
1012         __le16 Reserved2;
1013         __le16 DataLengthLow;
1014         __le16 DataOffset;
1015         __le16 ByteCount;
1016         __u8 Pad;               /* BB check for whether padded to DWORD
1017                                    boundary and optimum performance here */
1018         char Data[0];
1019 } __attribute__((packed)) WRITEX_REQ;
1020
1021 typedef struct smb_com_write_req {
1022         struct smb_hdr hdr;     /* wct = 14 */
1023         __u8 AndXCommand;
1024         __u8 AndXReserved;
1025         __le16 AndXOffset;
1026         __u16 Fid;
1027         __le32 OffsetLow;
1028         __u32 Reserved;
1029         __le16 WriteMode;
1030         __le16 Remaining;
1031         __le16 DataLengthHigh;
1032         __le16 DataLengthLow;
1033         __le16 DataOffset;
1034         __le32 OffsetHigh;
1035         __le16 ByteCount;
1036         __u8 Pad;               /* BB check for whether padded to DWORD
1037                                    boundary and optimum performance here */
1038         char Data[0];
1039 } __attribute__((packed)) WRITE_REQ;
1040
1041 typedef struct smb_com_write_rsp {
1042         struct smb_hdr hdr;     /* wct = 6 */
1043         __u8 AndXCommand;
1044         __u8 AndXReserved;
1045         __le16 AndXOffset;
1046         __le16 Count;
1047         __le16 Remaining;
1048         __le16 CountHigh;
1049         __u16  Reserved;
1050         __u16 ByteCount;
1051 } __attribute__((packed)) WRITE_RSP;
1052
1053 /* legacy read request for older servers */
1054 typedef struct smb_com_readx_req {
1055         struct smb_hdr hdr;     /* wct = 10 */
1056         __u8 AndXCommand;
1057         __u8 AndXReserved;
1058         __le16 AndXOffset;
1059         __u16 Fid;
1060         __le32 OffsetLow;
1061         __le16 MaxCount;
1062         __le16 MinCount;        /* obsolete */
1063         __le32 Reserved;
1064         __le16 Remaining;
1065         __le16 ByteCount;
1066 } __attribute__((packed)) READX_REQ;
1067
1068 typedef struct smb_com_read_req {
1069         struct smb_hdr hdr;     /* wct = 12 */
1070         __u8 AndXCommand;
1071         __u8 AndXReserved;
1072         __le16 AndXOffset;
1073         __u16 Fid;
1074         __le32 OffsetLow;
1075         __le16 MaxCount;
1076         __le16 MinCount;                /* obsolete */
1077         __le32 MaxCountHigh;
1078         __le16 Remaining;
1079         __le32 OffsetHigh;
1080         __le16 ByteCount;
1081 } __attribute__((packed)) READ_REQ;
1082
1083 typedef struct smb_com_read_rsp {
1084         struct smb_hdr hdr;     /* wct = 12 */
1085         __u8 AndXCommand;
1086         __u8 AndXReserved;
1087         __le16 AndXOffset;
1088         __le16 Remaining;
1089         __le16 DataCompactionMode;
1090         __le16 Reserved;
1091         __le16 DataLength;
1092         __le16 DataOffset;
1093         __le16 DataLengthHigh;
1094         __u64 Reserved2;
1095         __u16 ByteCount;
1096         /* read response data immediately follows */
1097 } __attribute__((packed)) READ_RSP;
1098
1099 typedef struct locking_andx_range {
1100         __le16 Pid;
1101         __le16 Pad;
1102         __le32 OffsetHigh;
1103         __le32 OffsetLow;
1104         __le32 LengthHigh;
1105         __le32 LengthLow;
1106 } __attribute__((packed)) LOCKING_ANDX_RANGE;
1107
1108 #define LOCKING_ANDX_SHARED_LOCK     0x01
1109 #define LOCKING_ANDX_OPLOCK_RELEASE  0x02
1110 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04
1111 #define LOCKING_ANDX_CANCEL_LOCK     0x08
1112 #define LOCKING_ANDX_LARGE_FILES     0x10       /* always on for us */
1113
1114 typedef struct smb_com_lock_req {
1115         struct smb_hdr hdr;     /* wct = 8 */
1116         __u8 AndXCommand;
1117         __u8 AndXReserved;
1118         __le16 AndXOffset;
1119         __u16 Fid;
1120         __u8 LockType;
1121         __u8 OplockLevel;
1122         __le32 Timeout;
1123         __le16 NumberOfUnlocks;
1124         __le16 NumberOfLocks;
1125         __le16 ByteCount;
1126         LOCKING_ANDX_RANGE Locks[1];
1127 } __attribute__((packed)) LOCK_REQ;
1128
1129 /* lock type */
1130 #define CIFS_RDLCK      0
1131 #define CIFS_WRLCK      1
1132 #define CIFS_UNLCK      2
1133 typedef struct cifs_posix_lock {
1134         __le16  lock_type;  /* 0 = Read, 1 = Write, 2 = Unlock */
1135         __le16  lock_flags; /* 1 = Wait (only valid for setlock) */
1136         __le32  pid;
1137         __le64  start;
1138         __le64  length;
1139         /* BB what about additional owner info to identify network client */
1140 } __attribute__((packed)) CIFS_POSIX_LOCK;
1141
1142 typedef struct smb_com_lock_rsp {
1143         struct smb_hdr hdr;     /* wct = 2 */
1144         __u8 AndXCommand;
1145         __u8 AndXReserved;
1146         __le16 AndXOffset;
1147         __u16 ByteCount;
1148 } __attribute__((packed)) LOCK_RSP;
1149
1150 typedef struct smb_com_rename_req {
1151         struct smb_hdr hdr;     /* wct = 1 */
1152         __le16 SearchAttributes;        /* target file attributes */
1153         __le16 ByteCount;
1154         __u8 BufferFormat;      /* 4 = ASCII or Unicode */
1155         unsigned char OldFileName[1];
1156         /* followed by __u8 BufferFormat2 */
1157         /* followed by NewFileName */
1158 } __attribute__((packed)) RENAME_REQ;
1159
1160         /* copy request flags */
1161 #define COPY_MUST_BE_FILE      0x0001
1162 #define COPY_MUST_BE_DIR       0x0002
1163 #define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */
1164 #define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */
1165 #define COPY_VERIFY_WRITES     0x0010
1166 #define COPY_TREE              0x0020
1167
1168 typedef struct smb_com_copy_req {
1169         struct smb_hdr hdr;     /* wct = 3 */
1170         __u16 Tid2;
1171         __le16 OpenFunction;
1172         __le16 Flags;
1173         __le16 ByteCount;
1174         __u8 BufferFormat;      /* 4 = ASCII or Unicode */
1175         unsigned char OldFileName[1];
1176         /* followed by __u8 BufferFormat2 */
1177         /* followed by NewFileName string */
1178 } __attribute__((packed)) COPY_REQ;
1179
1180 typedef struct smb_com_copy_rsp {
1181         struct smb_hdr hdr;     /* wct = 1 */
1182         __le16 CopyCount;    /* number of files copied */
1183         __u16 ByteCount;    /* may be zero */
1184         __u8 BufferFormat;  /* 0x04 - only present if errored file follows */
1185         unsigned char ErrorFileName[1]; /* only present if error in copy */
1186 } __attribute__((packed)) COPY_RSP;
1187
1188 #define CREATE_HARD_LINK                0x103
1189 #define MOVEFILE_COPY_ALLOWED           0x0002
1190 #define MOVEFILE_REPLACE_EXISTING       0x0001
1191
1192 typedef struct smb_com_nt_rename_req {  /* A5 - also used for create hardlink */
1193         struct smb_hdr hdr;     /* wct = 4 */
1194         __le16 SearchAttributes;        /* target file attributes */
1195         __le16 Flags;           /* spec says Information Level */
1196         __le32 ClusterCount;
1197         __le16 ByteCount;
1198         __u8 BufferFormat;      /* 4 = ASCII or Unicode */
1199         unsigned char OldFileName[1];
1200         /* followed by __u8 BufferFormat2 */
1201         /* followed by NewFileName */
1202 } __attribute__((packed)) NT_RENAME_REQ;
1203
1204 typedef struct smb_com_rename_rsp {
1205         struct smb_hdr hdr;     /* wct = 0 */
1206         __u16 ByteCount;        /* bct = 0 */
1207 } __attribute__((packed)) RENAME_RSP;
1208
1209 typedef struct smb_com_delete_file_req {
1210         struct smb_hdr hdr;     /* wct = 1 */
1211         __le16 SearchAttributes;
1212         __le16 ByteCount;
1213         __u8 BufferFormat;      /* 4 = ASCII */
1214         unsigned char fileName[1];
1215 } __attribute__((packed)) DELETE_FILE_REQ;
1216
1217 typedef struct smb_com_delete_file_rsp {
1218         struct smb_hdr hdr;     /* wct = 0 */
1219         __u16 ByteCount;        /* bct = 0 */
1220 } __attribute__((packed)) DELETE_FILE_RSP;
1221
1222 typedef struct smb_com_delete_directory_req {
1223         struct smb_hdr hdr;     /* wct = 0 */
1224         __le16 ByteCount;
1225         __u8 BufferFormat;      /* 4 = ASCII */
1226         unsigned char DirName[1];
1227 } __attribute__((packed)) DELETE_DIRECTORY_REQ;
1228
1229 typedef struct smb_com_delete_directory_rsp {
1230         struct smb_hdr hdr;     /* wct = 0 */
1231         __u16 ByteCount;        /* bct = 0 */
1232 } __attribute__((packed)) DELETE_DIRECTORY_RSP;
1233
1234 typedef struct smb_com_create_directory_req {
1235         struct smb_hdr hdr;     /* wct = 0 */
1236         __le16 ByteCount;
1237         __u8 BufferFormat;      /* 4 = ASCII */
1238         unsigned char DirName[1];
1239 } __attribute__((packed)) CREATE_DIRECTORY_REQ;
1240
1241 typedef struct smb_com_create_directory_rsp {
1242         struct smb_hdr hdr;     /* wct = 0 */
1243         __u16 ByteCount;        /* bct = 0 */
1244 } __attribute__((packed)) CREATE_DIRECTORY_RSP;
1245
1246 typedef struct smb_com_query_information_req {
1247         struct smb_hdr hdr;     /* wct = 0 */
1248         __le16 ByteCount;       /* 1 + namelen + 1 */
1249         __u8 BufferFormat;      /* 4 = ASCII */
1250         unsigned char FileName[1];
1251 } __attribute__((packed)) QUERY_INFORMATION_REQ;
1252
1253 typedef struct smb_com_query_information_rsp {
1254         struct smb_hdr hdr;     /* wct = 10 */
1255         __le16 attr;
1256         __le32  last_write_time;
1257         __le32 size;
1258         __u16  reserved[5];
1259         __le16 ByteCount;       /* bcc = 0 */
1260 } __attribute__((packed)) QUERY_INFORMATION_RSP;
1261
1262 typedef struct smb_com_setattr_req {
1263         struct smb_hdr hdr; /* wct = 8 */
1264         __le16 attr;
1265         __le16 time_low;
1266         __le16 time_high;
1267         __le16 reserved[5]; /* must be zero */
1268         __u16  ByteCount;
1269         __u8   BufferFormat; /* 4 = ASCII */
1270         unsigned char fileName[1];
1271 } __attribute__((packed)) SETATTR_REQ;
1272
1273 typedef struct smb_com_setattr_rsp {
1274         struct smb_hdr hdr;     /* wct = 0 */
1275         __u16 ByteCount;        /* bct = 0 */
1276 } __attribute__((packed)) SETATTR_RSP;
1277
1278 /* empty wct response to setattr */
1279
1280 /*******************************************************/
1281 /* NT Transact structure definitions follow            */
1282 /* Currently only ioctl, acl (get security descriptor) */
1283 /* and notify are implemented                          */
1284 /*******************************************************/
1285 typedef struct smb_com_ntransact_req {
1286         struct smb_hdr hdr; /* wct >= 19 */
1287         __u8 MaxSetupCount;
1288         __u16 Reserved;
1289         __le32 TotalParameterCount;
1290         __le32 TotalDataCount;
1291         __le32 MaxParameterCount;
1292         __le32 MaxDataCount;
1293         __le32 ParameterCount;
1294         __le32 ParameterOffset;
1295         __le32 DataCount;
1296         __le32 DataOffset;
1297         __u8 SetupCount; /* four setup words follow subcommand */
1298         /* SNIA spec incorrectly included spurious pad here */
1299         __le16 SubCommand; /* 2 = IOCTL/FSCTL */
1300         /* SetupCount words follow then */
1301         __le16 ByteCount;
1302         __u8 Pad[3];
1303         __u8 Parms[0];
1304 } __attribute__((packed)) NTRANSACT_REQ;
1305
1306 typedef struct smb_com_ntransact_rsp {
1307         struct smb_hdr hdr;     /* wct = 18 */
1308         __u8 Reserved[3];
1309         __le32 TotalParameterCount;
1310         __le32 TotalDataCount;
1311         __le32 ParameterCount;
1312         __le32 ParameterOffset;
1313         __le32 ParameterDisplacement;
1314         __le32 DataCount;
1315         __le32 DataOffset;
1316         __le32 DataDisplacement;
1317         __u8 SetupCount;   /* 0 */
1318         __u16 ByteCount;
1319         /* __u8 Pad[3]; */
1320         /* parms and data follow */
1321 } __attribute__((packed)) NTRANSACT_RSP;
1322
1323 /* See MS-SMB 2.2.7.2.1.1 */
1324 struct srv_copychunk {
1325         __le64 SourceOffset;
1326         __le64 DestinationOffset;
1327         __le32 CopyLength;
1328         __u32  Reserved;
1329 } __packed;
1330
1331 typedef struct smb_com_transaction_ioctl_req {
1332         struct smb_hdr hdr;     /* wct = 23 */
1333         __u8 MaxSetupCount;
1334         __u16 Reserved;
1335         __le32 TotalParameterCount;
1336         __le32 TotalDataCount;
1337         __le32 MaxParameterCount;
1338         __le32 MaxDataCount;
1339         __le32 ParameterCount;
1340         __le32 ParameterOffset;
1341         __le32 DataCount;
1342         __le32 DataOffset;
1343         __u8 SetupCount; /* four setup words follow subcommand */
1344         /* SNIA spec incorrectly included spurious pad here */
1345         __le16 SubCommand; /* 2 = IOCTL/FSCTL */
1346         __le32 FunctionCode;
1347         __u16 Fid;
1348         __u8 IsFsctl;  /* 1 = File System Control 0 = device control (IOCTL) */
1349         __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS) */
1350         __le16 ByteCount;
1351         __u8 Pad[3];
1352         __u8 Data[1];
1353 } __attribute__((packed)) TRANSACT_IOCTL_REQ;
1354
1355 typedef struct smb_com_transaction_ioctl_rsp {
1356         struct smb_hdr hdr;     /* wct = 19 */
1357         __u8 Reserved[3];
1358         __le32 TotalParameterCount;
1359         __le32 TotalDataCount;
1360         __le32 ParameterCount;
1361         __le32 ParameterOffset;
1362         __le32 ParameterDisplacement;
1363         __le32 DataCount;
1364         __le32 DataOffset;
1365         __le32 DataDisplacement;
1366         __u8 SetupCount;        /* 1 */
1367         __le16 ReturnedDataLen;
1368         __u16 ByteCount;
1369 } __attribute__((packed)) TRANSACT_IOCTL_RSP;
1370
1371 #define CIFS_ACL_OWNER 1
1372 #define CIFS_ACL_GROUP 2
1373 #define CIFS_ACL_DACL  4
1374 #define CIFS_ACL_SACL  8
1375
1376 typedef struct smb_com_transaction_qsec_req {
1377         struct smb_hdr hdr;     /* wct = 19 */
1378         __u8 MaxSetupCount;
1379         __u16 Reserved;
1380         __le32 TotalParameterCount;
1381         __le32 TotalDataCount;
1382         __le32 MaxParameterCount;
1383         __le32 MaxDataCount;
1384         __le32 ParameterCount;
1385         __le32 ParameterOffset;
1386         __le32 DataCount;
1387         __le32 DataOffset;
1388         __u8 SetupCount; /* no setup words follow subcommand */
1389         /* SNIA spec incorrectly included spurious pad here */
1390         __le16 SubCommand; /* 6 = QUERY_SECURITY_DESC */
1391         __le16 ByteCount; /* bcc = 3 + 8 */
1392         __u8 Pad[3];
1393         __u16 Fid;
1394         __u16 Reserved2;
1395         __le32 AclFlags;
1396 } __attribute__((packed)) QUERY_SEC_DESC_REQ;
1397
1398
1399 typedef struct smb_com_transaction_ssec_req {
1400         struct smb_hdr hdr;     /* wct = 19 */
1401         __u8 MaxSetupCount;
1402         __u16 Reserved;
1403         __le32 TotalParameterCount;
1404         __le32 TotalDataCount;
1405         __le32 MaxParameterCount;
1406         __le32 MaxDataCount;
1407         __le32 ParameterCount;
1408         __le32 ParameterOffset;
1409         __le32 DataCount;
1410         __le32 DataOffset;
1411         __u8 SetupCount; /* no setup words follow subcommand */
1412         /* SNIA spec incorrectly included spurious pad here */
1413         __le16 SubCommand; /* 3 = SET_SECURITY_DESC */
1414         __le16 ByteCount; /* bcc = 3 + 8 */
1415         __u8 Pad[3];
1416         __u16 Fid;
1417         __u16 Reserved2;
1418         __le32 AclFlags;
1419 } __attribute__((packed)) SET_SEC_DESC_REQ;
1420
1421 typedef struct smb_com_transaction_change_notify_req {
1422         struct smb_hdr hdr;     /* wct = 23 */
1423         __u8 MaxSetupCount;
1424         __u16 Reserved;
1425         __le32 TotalParameterCount;
1426         __le32 TotalDataCount;
1427         __le32 MaxParameterCount;
1428         __le32 MaxDataCount;
1429         __le32 ParameterCount;
1430         __le32 ParameterOffset;
1431         __le32 DataCount;
1432         __le32 DataOffset;
1433         __u8 SetupCount; /* four setup words follow subcommand */
1434         /* SNIA spec incorrectly included spurious pad here */
1435         __le16 SubCommand;/* 4 = Change Notify */
1436         __le32 CompletionFilter;  /* operation to monitor */
1437         __u16 Fid;
1438         __u8 WatchTree;  /* 1 = Monitor subdirectories */
1439         __u8 Reserved2;
1440         __le16 ByteCount;
1441 /*      __u8 Pad[3];*/
1442 /*      __u8 Data[1];*/
1443 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ;
1444
1445 /* BB eventually change to use generic ntransact rsp struct
1446       and validation routine */
1447 typedef struct smb_com_transaction_change_notify_rsp {
1448         struct smb_hdr hdr;     /* wct = 18 */
1449         __u8 Reserved[3];
1450         __le32 TotalParameterCount;
1451         __le32 TotalDataCount;
1452         __le32 ParameterCount;
1453         __le32 ParameterOffset;
1454         __le32 ParameterDisplacement;
1455         __le32 DataCount;
1456         __le32 DataOffset;
1457         __le32 DataDisplacement;
1458         __u8 SetupCount;   /* 0 */
1459         __u16 ByteCount;
1460         /* __u8 Pad[3]; */
1461 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP;
1462 /* Completion Filter flags for Notify */
1463 #define FILE_NOTIFY_CHANGE_FILE_NAME    0x00000001
1464 #define FILE_NOTIFY_CHANGE_DIR_NAME     0x00000002
1465 #define FILE_NOTIFY_CHANGE_NAME         0x00000003
1466 #define FILE_NOTIFY_CHANGE_ATTRIBUTES   0x00000004
1467 #define FILE_NOTIFY_CHANGE_SIZE         0x00000008
1468 #define FILE_NOTIFY_CHANGE_LAST_WRITE   0x00000010
1469 #define FILE_NOTIFY_CHANGE_LAST_ACCESS  0x00000020
1470 #define FILE_NOTIFY_CHANGE_CREATION     0x00000040
1471 #define FILE_NOTIFY_CHANGE_EA           0x00000080
1472 #define FILE_NOTIFY_CHANGE_SECURITY     0x00000100
1473 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
1474 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
1475 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1476
1477 #define FILE_ACTION_ADDED               0x00000001
1478 #define FILE_ACTION_REMOVED             0x00000002
1479 #define FILE_ACTION_MODIFIED            0x00000003
1480 #define FILE_ACTION_RENAMED_OLD_NAME    0x00000004
1481 #define FILE_ACTION_RENAMED_NEW_NAME    0x00000005
1482 #define FILE_ACTION_ADDED_STREAM        0x00000006
1483 #define FILE_ACTION_REMOVED_STREAM      0x00000007
1484 #define FILE_ACTION_MODIFIED_STREAM     0x00000008
1485
1486 /* response contains array of the following structures */
1487 struct file_notify_information {
1488         __le32 NextEntryOffset;
1489         __le32 Action;
1490         __le32 FileNameLength;
1491         __u8  FileName[0];
1492 } __attribute__((packed));
1493
1494 struct reparse_data {
1495         __u32   ReparseTag;
1496         __u16   ReparseDataLength;
1497         __u16   Reserved;
1498         __u16   AltNameOffset;
1499         __u16   AltNameLen;
1500         __u16   TargetNameOffset;
1501         __u16   TargetNameLen;
1502         char    LinkNamesBuf[1];
1503 } __attribute__((packed));
1504
1505 struct cifs_quota_data {
1506         __u32   rsrvd1;  /* 0 */
1507         __u32   sid_size;
1508         __u64   rsrvd2;  /* 0 */
1509         __u64   space_used;
1510         __u64   soft_limit;
1511         __u64   hard_limit;
1512         char    sid[1];  /* variable size? */
1513 } __attribute__((packed));
1514
1515 /* quota sub commands */
1516 #define QUOTA_LIST_CONTINUE         0
1517 #define QUOTA_LIST_START        0x100
1518 #define QUOTA_FOR_SID           0x101
1519
1520 struct trans2_req {
1521         /* struct smb_hdr hdr precedes. Set wct = 14+ */
1522         __le16 TotalParameterCount;
1523         __le16 TotalDataCount;
1524         __le16 MaxParameterCount;
1525         __le16 MaxDataCount;
1526         __u8 MaxSetupCount;
1527         __u8 Reserved;
1528         __le16 Flags;
1529         __le32 Timeout;
1530         __u16 Reserved2;
1531         __le16 ParameterCount;
1532         __le16 ParameterOffset;
1533         __le16 DataCount;
1534         __le16 DataOffset;
1535         __u8 SetupCount;
1536         __u8 Reserved3;
1537         __le16 SubCommand; /* 1st setup word - SetupCount words follow */
1538         __le16 ByteCount;
1539 } __attribute__((packed));
1540
1541 struct smb_t2_req {
1542         struct smb_hdr hdr;
1543         struct trans2_req t2_req;
1544 } __attribute__((packed));
1545
1546 struct trans2_resp {
1547         /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */
1548         __le16 TotalParameterCount;
1549         __le16 TotalDataCount;
1550         __u16 Reserved;
1551         __le16 ParameterCount;
1552         __le16 ParameterOffset;
1553         __le16 ParameterDisplacement;
1554         __le16 DataCount;
1555         __le16 DataOffset;
1556         __le16 DataDisplacement;
1557         __u8 SetupCount;
1558         __u8 Reserved1;
1559         /* SetupWords[SetupCount];
1560         __u16 ByteCount;
1561         __u16 Reserved2;*/
1562         /* data area follows */
1563 } __attribute__((packed));
1564
1565 struct smb_t2_rsp {
1566         struct smb_hdr hdr;
1567         struct trans2_resp t2_rsp;
1568 } __attribute__((packed));
1569
1570 /* PathInfo/FileInfo infolevels */
1571 #define SMB_INFO_STANDARD                   1
1572 #define SMB_SET_FILE_EA                     2
1573 #define SMB_QUERY_FILE_EA_SIZE              2
1574 #define SMB_INFO_QUERY_EAS_FROM_LIST        3
1575 #define SMB_INFO_QUERY_ALL_EAS              4
1576 #define SMB_INFO_IS_NAME_VALID              6
1577 #define SMB_QUERY_FILE_BASIC_INFO       0x101
1578 #define SMB_QUERY_FILE_STANDARD_INFO    0x102
1579 #define SMB_QUERY_FILE_EA_INFO          0x103
1580 #define SMB_QUERY_FILE_NAME_INFO        0x104
1581 #define SMB_QUERY_FILE_ALLOCATION_INFO  0x105
1582 #define SMB_QUERY_FILE_END_OF_FILEINFO  0x106
1583 #define SMB_QUERY_FILE_ALL_INFO         0x107
1584 #define SMB_QUERY_ALT_NAME_INFO         0x108
1585 #define SMB_QUERY_FILE_STREAM_INFO      0x109
1586 #define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B
1587 #define SMB_QUERY_FILE_UNIX_BASIC       0x200
1588 #define SMB_QUERY_FILE_UNIX_LINK        0x201
1589 #define SMB_QUERY_POSIX_ACL             0x204
1590 #define SMB_QUERY_XATTR                 0x205  /* e.g. system EA name space */
1591 #define SMB_QUERY_ATTR_FLAGS            0x206  /* append,immutable etc. */
1592 #define SMB_QUERY_POSIX_PERMISSION      0x207
1593 #define SMB_QUERY_POSIX_LOCK            0x208
1594 /* #define SMB_POSIX_OPEN               0x209 */
1595 /* #define SMB_POSIX_UNLINK             0x20a */
1596 #define SMB_QUERY_FILE__UNIX_INFO2      0x20b
1597 #define SMB_QUERY_FILE_INTERNAL_INFO    0x3ee
1598 #define SMB_QUERY_FILE_ACCESS_INFO      0x3f0
1599 #define SMB_QUERY_FILE_NAME_INFO2       0x3f1 /* 0x30 bytes */
1600 #define SMB_QUERY_FILE_POSITION_INFO    0x3f6
1601 #define SMB_QUERY_FILE_MODE_INFO        0x3f8
1602 #define SMB_QUERY_FILE_ALGN_INFO        0x3f9
1603
1604
1605 #define SMB_SET_FILE_BASIC_INFO         0x101
1606 #define SMB_SET_FILE_DISPOSITION_INFO   0x102
1607 #define SMB_SET_FILE_ALLOCATION_INFO    0x103
1608 #define SMB_SET_FILE_END_OF_FILE_INFO   0x104
1609 #define SMB_SET_FILE_UNIX_BASIC         0x200
1610 #define SMB_SET_FILE_UNIX_LINK          0x201
1611 #define SMB_SET_FILE_UNIX_HLINK         0x203
1612 #define SMB_SET_POSIX_ACL               0x204
1613 #define SMB_SET_XATTR                   0x205
1614 #define SMB_SET_ATTR_FLAGS              0x206  /* append, immutable etc. */
1615 #define SMB_SET_POSIX_LOCK              0x208
1616 #define SMB_POSIX_OPEN                  0x209
1617 #define SMB_POSIX_UNLINK                0x20a
1618 #define SMB_SET_FILE_UNIX_INFO2         0x20b
1619 #define SMB_SET_FILE_BASIC_INFO2        0x3ec
1620 #define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */
1621 #define SMB_FILE_ALL_INFO2              0x3fa
1622 #define SMB_SET_FILE_ALLOCATION_INFO2   0x3fb
1623 #define SMB_SET_FILE_END_OF_FILE_INFO2  0x3fc
1624 #define SMB_FILE_MOVE_CLUSTER_INFO      0x407
1625 #define SMB_FILE_QUOTA_INFO             0x408
1626 #define SMB_FILE_REPARSEPOINT_INFO      0x409
1627 #define SMB_FILE_MAXIMUM_INFO           0x40d
1628
1629 /* Find File infolevels */
1630 #define SMB_FIND_FILE_INFO_STANDARD       0x001
1631 #define SMB_FIND_FILE_QUERY_EA_SIZE       0x002
1632 #define SMB_FIND_FILE_QUERY_EAS_FROM_LIST 0x003
1633 #define SMB_FIND_FILE_DIRECTORY_INFO      0x101
1634 #define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102
1635 #define SMB_FIND_FILE_NAMES_INFO          0x103
1636 #define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104
1637 #define SMB_FIND_FILE_ID_FULL_DIR_INFO    0x105
1638 #define SMB_FIND_FILE_ID_BOTH_DIR_INFO    0x106
1639 #define SMB_FIND_FILE_UNIX                0x202
1640
1641 typedef struct smb_com_transaction2_qpi_req {
1642         struct smb_hdr hdr;     /* wct = 14+ */
1643         __le16 TotalParameterCount;
1644         __le16 TotalDataCount;
1645         __le16 MaxParameterCount;
1646         __le16 MaxDataCount;
1647         __u8 MaxSetupCount;
1648         __u8 Reserved;
1649         __le16 Flags;
1650         __le32 Timeout;
1651         __u16 Reserved2;
1652         __le16 ParameterCount;
1653         __le16 ParameterOffset;
1654         __le16 DataCount;
1655         __le16 DataOffset;
1656         __u8 SetupCount;
1657         __u8 Reserved3;
1658         __le16 SubCommand;      /* one setup word */
1659         __le16 ByteCount;
1660         __u8 Pad;
1661         __le16 InformationLevel;
1662         __u32 Reserved4;
1663         char FileName[1];
1664 } __attribute__((packed)) TRANSACTION2_QPI_REQ;
1665
1666 typedef struct smb_com_transaction2_qpi_rsp {
1667         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1668         struct trans2_resp t2;
1669         __u16 ByteCount;
1670         __u16 Reserved2; /* parameter word is present for infolevels > 100 */
1671 } __attribute__((packed)) TRANSACTION2_QPI_RSP;
1672
1673 typedef struct smb_com_transaction2_spi_req {
1674         struct smb_hdr hdr;     /* wct = 15 */
1675         __le16 TotalParameterCount;
1676         __le16 TotalDataCount;
1677         __le16 MaxParameterCount;
1678         __le16 MaxDataCount;
1679         __u8 MaxSetupCount;
1680         __u8 Reserved;
1681         __le16 Flags;
1682         __le32 Timeout;
1683         __u16 Reserved2;
1684         __le16 ParameterCount;
1685         __le16 ParameterOffset;
1686         __le16 DataCount;
1687         __le16 DataOffset;
1688         __u8 SetupCount;
1689         __u8 Reserved3;
1690         __le16 SubCommand;      /* one setup word */
1691         __le16 ByteCount;
1692         __u8 Pad;
1693         __u16 Pad1;
1694         __le16 InformationLevel;
1695         __u32 Reserved4;
1696         char FileName[1];
1697 } __attribute__((packed)) TRANSACTION2_SPI_REQ;
1698
1699 typedef struct smb_com_transaction2_spi_rsp {
1700         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1701         struct trans2_resp t2;
1702         __u16 ByteCount;
1703         __u16 Reserved2; /* parameter word is present for infolevels > 100 */
1704 } __attribute__((packed)) TRANSACTION2_SPI_RSP;
1705
1706 struct set_file_rename {
1707         __le32 overwrite;   /* 1 = overwrite dest */
1708         __u32 root_fid;   /* zero */
1709         __le32 target_name_len;
1710         char  target_name[0];  /* Must be unicode */
1711 } __attribute__((packed));
1712
1713 struct smb_com_transaction2_sfi_req {
1714         struct smb_hdr hdr;     /* wct = 15 */
1715         __le16 TotalParameterCount;
1716         __le16 TotalDataCount;
1717         __le16 MaxParameterCount;
1718         __le16 MaxDataCount;
1719         __u8 MaxSetupCount;
1720         __u8 Reserved;
1721         __le16 Flags;
1722         __le32 Timeout;
1723         __u16 Reserved2;
1724         __le16 ParameterCount;
1725         __le16 ParameterOffset;
1726         __le16 DataCount;
1727         __le16 DataOffset;
1728         __u8 SetupCount;
1729         __u8 Reserved3;
1730         __le16 SubCommand;      /* one setup word */
1731         __le16 ByteCount;
1732         __u8 Pad;
1733         __u16 Pad1;
1734         __u16 Fid;
1735         __le16 InformationLevel;
1736         __u16 Reserved4;
1737 } __attribute__((packed));
1738
1739 struct smb_com_transaction2_sfi_rsp {
1740         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1741         struct trans2_resp t2;
1742         __u16 ByteCount;
1743         __u16 Reserved2;        /* parameter word reserved -
1744                                         present for infolevels > 100 */
1745 } __attribute__((packed));
1746
1747 struct smb_t2_qfi_req {
1748         struct  smb_hdr hdr;
1749         struct  trans2_req t2;
1750         __u8    Pad;
1751         __u16   Fid;
1752         __le16  InformationLevel;
1753 } __attribute__((packed));
1754
1755 struct smb_t2_qfi_rsp {
1756         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1757         struct trans2_resp t2;
1758         __u16 ByteCount;
1759         __u16 Reserved2;        /* parameter word reserved -
1760                                    present for infolevels > 100 */
1761 } __attribute__((packed));
1762
1763 /*
1764  * Flags on T2 FINDFIRST and FINDNEXT
1765  */
1766 #define CIFS_SEARCH_CLOSE_ALWAYS  0x0001
1767 #define CIFS_SEARCH_CLOSE_AT_END  0x0002
1768 #define CIFS_SEARCH_RETURN_RESUME 0x0004
1769 #define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008
1770 #define CIFS_SEARCH_BACKUP_SEARCH 0x0010
1771
1772 /*
1773  * Size of the resume key on FINDFIRST and FINDNEXT calls
1774  */
1775 #define CIFS_SMB_RESUME_KEY_SIZE 4
1776
1777 typedef struct smb_com_transaction2_ffirst_req {
1778         struct smb_hdr hdr;     /* wct = 15 */
1779         __le16 TotalParameterCount;
1780         __le16 TotalDataCount;
1781         __le16 MaxParameterCount;
1782         __le16 MaxDataCount;
1783         __u8 MaxSetupCount;
1784         __u8 Reserved;
1785         __le16 Flags;
1786         __le32 Timeout;
1787         __u16 Reserved2;
1788         __le16 ParameterCount;
1789         __le16 ParameterOffset;
1790         __le16 DataCount;
1791         __le16 DataOffset;
1792         __u8 SetupCount;        /* one */
1793         __u8 Reserved3;
1794         __le16 SubCommand;      /* TRANS2_FIND_FIRST */
1795         __le16 ByteCount;
1796         __u8 Pad;
1797         __le16 SearchAttributes;
1798         __le16 SearchCount;
1799         __le16 SearchFlags;
1800         __le16 InformationLevel;
1801         __le32 SearchStorageType;
1802         char FileName[1];
1803 } __attribute__((packed)) TRANSACTION2_FFIRST_REQ;
1804
1805 typedef struct smb_com_transaction2_ffirst_rsp {
1806         struct smb_hdr hdr;     /* wct = 10 */
1807         struct trans2_resp t2;
1808         __u16 ByteCount;
1809 } __attribute__((packed)) TRANSACTION2_FFIRST_RSP;
1810
1811 typedef struct smb_com_transaction2_ffirst_rsp_parms {
1812         __u16 SearchHandle;
1813         __le16 SearchCount;
1814         __le16 EndofSearch;
1815         __le16 EAErrorOffset;
1816         __le16 LastNameOffset;
1817 } __attribute__((packed)) T2_FFIRST_RSP_PARMS;
1818
1819 typedef struct smb_com_transaction2_fnext_req {
1820         struct smb_hdr hdr;     /* wct = 15 */
1821         __le16 TotalParameterCount;
1822         __le16 TotalDataCount;
1823         __le16 MaxParameterCount;
1824         __le16 MaxDataCount;
1825         __u8 MaxSetupCount;
1826         __u8 Reserved;
1827         __le16 Flags;
1828         __le32 Timeout;
1829         __u16 Reserved2;
1830         __le16 ParameterCount;
1831         __le16 ParameterOffset;
1832         __le16 DataCount;
1833         __le16 DataOffset;
1834         __u8 SetupCount;        /* one */
1835         __u8 Reserved3;
1836         __le16 SubCommand;      /* TRANS2_FIND_NEXT */
1837         __le16 ByteCount;
1838         __u8 Pad;
1839         __u16 SearchHandle;
1840         __le16 SearchCount;
1841         __le16 InformationLevel;
1842         __u32 ResumeKey;
1843         __le16 SearchFlags;
1844         char ResumeFileName[1];
1845 } __attribute__((packed)) TRANSACTION2_FNEXT_REQ;
1846
1847 typedef struct smb_com_transaction2_fnext_rsp {
1848         struct smb_hdr hdr;     /* wct = 10 */
1849         struct trans2_resp t2;
1850         __u16 ByteCount;
1851 } __attribute__((packed)) TRANSACTION2_FNEXT_RSP;
1852
1853 typedef struct smb_com_transaction2_fnext_rsp_parms {
1854         __le16 SearchCount;
1855         __le16 EndofSearch;
1856         __le16 EAErrorOffset;
1857         __le16 LastNameOffset;
1858 } __attribute__((packed)) T2_FNEXT_RSP_PARMS;
1859
1860 /* QFSInfo Levels */
1861 #define SMB_INFO_ALLOCATION         1
1862 #define SMB_INFO_VOLUME             2
1863 #define SMB_QUERY_FS_VOLUME_INFO    0x102
1864 #define SMB_QUERY_FS_SIZE_INFO      0x103
1865 #define SMB_QUERY_FS_DEVICE_INFO    0x104
1866 #define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105
1867 #define SMB_QUERY_CIFS_UNIX_INFO    0x200
1868 #define SMB_QUERY_POSIX_FS_INFO     0x201
1869 #define SMB_QUERY_POSIX_WHO_AM_I    0x202
1870 #define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203
1871 #define SMB_QUERY_FS_PROXY          0x204 /* WAFS enabled. Returns structure
1872                                             FILE_SYSTEM__UNIX_INFO to tell
1873                                             whether new NTIOCTL available
1874                                             (0xACE) for WAN friendly SMB
1875                                             operations to be carried */
1876 #define SMB_QUERY_LABEL_INFO        0x3ea
1877 #define SMB_QUERY_FS_QUOTA_INFO     0x3ee
1878 #define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef
1879 #define SMB_QUERY_OBJECTID_INFO     0x3f0
1880
1881 typedef struct smb_com_transaction2_qfsi_req {
1882         struct smb_hdr hdr;     /* wct = 14+ */
1883         __le16 TotalParameterCount;
1884         __le16 TotalDataCount;
1885         __le16 MaxParameterCount;
1886         __le16 MaxDataCount;
1887         __u8 MaxSetupCount;
1888         __u8 Reserved;
1889         __le16 Flags;
1890         __le32 Timeout;
1891         __u16 Reserved2;
1892         __le16 ParameterCount;
1893         __le16 ParameterOffset;
1894         __le16 DataCount;
1895         __le16 DataOffset;
1896         __u8 SetupCount;
1897         __u8 Reserved3;
1898         __le16 SubCommand;      /* one setup word */
1899         __le16 ByteCount;
1900         __u8 Pad;
1901         __le16 InformationLevel;
1902 } __attribute__((packed)) TRANSACTION2_QFSI_REQ;
1903
1904 typedef struct smb_com_transaction_qfsi_rsp {
1905         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
1906         struct trans2_resp t2;
1907         __u16 ByteCount;
1908         __u8 Pad;       /* may be three bytes? *//* followed by data area */
1909 } __attribute__((packed)) TRANSACTION2_QFSI_RSP;
1910
1911 typedef struct whoami_rsp_data { /* Query level 0x202 */
1912         __u32 flags; /* 0 = Authenticated user 1 = GUEST */
1913         __u32 mask; /* which flags bits server understands ie 0x0001 */
1914         __u64 unix_user_id;
1915         __u64 unix_user_gid;
1916         __u32 number_of_supplementary_gids; /* may be zero */
1917         __u32 number_of_sids; /* may be zero */
1918         __u32 length_of_sid_array; /* in bytes - may be zero */
1919         __u32 pad; /* reserved - MBZ */
1920         /* __u64 gid_array[0]; */  /* may be empty */
1921         /* __u8 * psid_list */  /* may be empty */
1922 } __attribute__((packed)) WHOAMI_RSP_DATA;
1923
1924 /* SETFSInfo Levels */
1925 #define SMB_SET_CIFS_UNIX_INFO    0x200
1926 /* level 0x203 is defined above in list of QFS info levels */
1927 /* #define SMB_REQUEST_TRANSPORT_ENCRYPTION 0x203 */
1928
1929 /* Level 0x200 request structure follows */
1930 typedef struct smb_com_transaction2_setfsi_req {
1931         struct smb_hdr hdr;     /* wct = 15 */
1932         __le16 TotalParameterCount;
1933         __le16 TotalDataCount;
1934         __le16 MaxParameterCount;
1935         __le16 MaxDataCount;
1936         __u8 MaxSetupCount;
1937         __u8 Reserved;
1938         __le16 Flags;
1939         __le32 Timeout;
1940         __u16 Reserved2;
1941         __le16 ParameterCount;  /* 4 */
1942         __le16 ParameterOffset;
1943         __le16 DataCount;       /* 12 */
1944         __le16 DataOffset;
1945         __u8 SetupCount;        /* one */
1946         __u8 Reserved3;
1947         __le16 SubCommand;      /* TRANS2_SET_FS_INFORMATION */
1948         __le16 ByteCount;
1949         __u8 Pad;
1950         __u16 FileNum;          /* Parameters start. */
1951         __le16 InformationLevel;/* Parameters end. */
1952         __le16 ClientUnixMajor; /* Data start. */
1953         __le16 ClientUnixMinor;
1954         __le64 ClientUnixCap;   /* Data end */
1955 } __attribute__((packed)) TRANSACTION2_SETFSI_REQ;
1956
1957 /* level 0x203 request structure follows */
1958 typedef struct smb_com_transaction2_setfs_enc_req {
1959         struct smb_hdr hdr;     /* wct = 15 */
1960         __le16 TotalParameterCount;
1961         __le16 TotalDataCount;
1962         __le16 MaxParameterCount;
1963         __le16 MaxDataCount;
1964         __u8 MaxSetupCount;
1965         __u8 Reserved;
1966         __le16 Flags;
1967         __le32 Timeout;
1968         __u16 Reserved2;
1969         __le16 ParameterCount;  /* 4 */
1970         __le16 ParameterOffset;
1971         __le16 DataCount;       /* 12 */
1972         __le16 DataOffset;
1973         __u8 SetupCount;        /* one */
1974         __u8 Reserved3;
1975         __le16 SubCommand;      /* TRANS2_SET_FS_INFORMATION */
1976         __le16 ByteCount;
1977         __u8 Pad;
1978         __u16  Reserved4;       /* Parameters start. */
1979         __le16 InformationLevel;/* Parameters end. */
1980         /* NTLMSSP Blob, Data start. */
1981 } __attribute__((packed)) TRANSACTION2_SETFSI_ENC_REQ;
1982
1983 /* response for setfsinfo levels 0x200 and 0x203 */
1984 typedef struct smb_com_transaction2_setfsi_rsp {
1985         struct smb_hdr hdr;     /* wct = 10 */
1986         struct trans2_resp t2;
1987         __u16 ByteCount;
1988 } __attribute__((packed)) TRANSACTION2_SETFSI_RSP;
1989
1990 typedef struct smb_com_transaction2_get_dfs_refer_req {
1991         struct smb_hdr hdr;     /* wct = 15 */
1992         __le16 TotalParameterCount;
1993         __le16 TotalDataCount;
1994         __le16 MaxParameterCount;
1995         __le16 MaxDataCount;
1996         __u8 MaxSetupCount;
1997         __u8 Reserved;
1998         __le16 Flags;
1999         __le32 Timeout;
2000         __u16 Reserved2;
2001         __le16 ParameterCount;
2002         __le16 ParameterOffset;
2003         __le16 DataCount;
2004         __le16 DataOffset;
2005         __u8 SetupCount;
2006         __u8 Reserved3;
2007         __le16 SubCommand;      /* one setup word */
2008         __le16 ByteCount;
2009         __u8 Pad[3];            /* Win2K has sent 0x0F01 (max response length
2010                                    perhaps?) followed by one byte pad - doesn't
2011                                    seem to matter though */
2012         __le16 MaxReferralLevel;
2013         char RequestFileName[1];
2014 } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ;
2015
2016 #define DFS_VERSION cpu_to_le16(0x0003)
2017
2018 /* DFS server target type */
2019 #define DFS_TYPE_LINK 0x0000  /* also for sysvol targets */
2020 #define DFS_TYPE_ROOT 0x0001
2021
2022 /* Referral Entry Flags */
2023 #define DFS_NAME_LIST_REF 0x0200 /* set for domain or DC referral responses */
2024 #define DFS_TARGET_SET_BOUNDARY 0x0400 /* only valid with version 4 dfs req */
2025
2026 typedef struct dfs_referral_level_3 { /* version 4 is same, + one flag bit */
2027         __le16 VersionNumber;  /* must be 3 or 4 */
2028         __le16 Size;
2029         __le16 ServerType; /* 0x0001 = root targets; 0x0000 = link targets */
2030         __le16 ReferralEntryFlags;
2031         __le32 TimeToLive;
2032         __le16 DfsPathOffset;
2033         __le16 DfsAlternatePathOffset;
2034         __le16 NetworkAddressOffset; /* offset of the link target */
2035         __u8   ServiceSiteGuid[16];  /* MBZ, ignored */
2036 } __attribute__((packed)) REFERRAL3;
2037
2038 typedef struct smb_com_transaction_get_dfs_refer_rsp {
2039         struct smb_hdr hdr;     /* wct = 10 */
2040         struct trans2_resp t2;
2041         __u16 ByteCount;
2042         __u8 Pad;
2043         __le16 PathConsumed;
2044         __le16 NumberOfReferrals;
2045         __le32 DFSFlags;
2046         REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */
2047         /* followed by the strings pointed to by the referral structures */
2048 } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_RSP;
2049
2050 /* DFS Flags */
2051 #define DFSREF_REFERRAL_SERVER  0x00000001 /* all targets are DFS roots */
2052 #define DFSREF_STORAGE_SERVER   0x00000002 /* no further ref requests needed */
2053 #define DFSREF_TARGET_FAILBACK  0x00000004 /* only for DFS referral version 4 */
2054
2055 /*
2056  ************************************************************************
2057  * All structs for everything above the SMB PDUs themselves
2058  * (such as the T2 level specific data) go here
2059  ************************************************************************
2060  */
2061
2062 /*
2063  * Information on a server
2064  */
2065
2066 struct serverInfo {
2067         char name[16];
2068         unsigned char versionMajor;
2069         unsigned char versionMinor;
2070         unsigned long type;
2071         unsigned int commentOffset;
2072 } __attribute__((packed));
2073
2074 /*
2075  * The following structure is the format of the data returned on a NetShareEnum
2076  * with level "90" (x5A)
2077  */
2078
2079 struct shareInfo {
2080         char shareName[13];
2081         char pad;
2082         unsigned short type;
2083         unsigned int commentOffset;
2084 } __attribute__((packed));
2085
2086 struct aliasInfo {
2087         char aliasName[9];
2088         char pad;
2089         unsigned int commentOffset;
2090         unsigned char type[2];
2091 } __attribute__((packed));
2092
2093 struct aliasInfo92 {
2094         int aliasNameOffset;
2095         int serverNameOffset;
2096         int shareNameOffset;
2097 } __attribute__((packed));
2098
2099 typedef struct {
2100         __le64 TotalAllocationUnits;
2101         __le64 FreeAllocationUnits;
2102         __le32 SectorsPerAllocationUnit;
2103         __le32 BytesPerSector;
2104 } __attribute__((packed)) FILE_SYSTEM_INFO;     /* size info, level 0x103 */
2105
2106 typedef struct {
2107         __le32 fsid;
2108         __le32 SectorsPerAllocationUnit;
2109         __le32 TotalAllocationUnits;
2110         __le32 FreeAllocationUnits;
2111         __le16  BytesPerSector;
2112 } __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO;
2113
2114 typedef struct {
2115         __le16 MajorVersionNumber;
2116         __le16 MinorVersionNumber;
2117         __le64 Capability;
2118 } __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extension level 0x200*/
2119
2120 /* Version numbers for CIFS UNIX major and minor. */
2121 #define CIFS_UNIX_MAJOR_VERSION 1
2122 #define CIFS_UNIX_MINOR_VERSION 0
2123
2124 /* Linux/Unix extensions capability flags */
2125 #define CIFS_UNIX_FCNTL_CAP             0x00000001 /* support for fcntl locks */
2126 #define CIFS_UNIX_POSIX_ACL_CAP         0x00000002 /* support getfacl/setfacl */
2127 #define CIFS_UNIX_XATTR_CAP             0x00000004 /* support new namespace   */
2128 #define CIFS_UNIX_EXTATTR_CAP           0x00000008 /* support chattr/chflag   */
2129 #define CIFS_UNIX_POSIX_PATHNAMES_CAP   0x00000010 /* Allow POSIX path chars  */
2130 #define CIFS_UNIX_POSIX_PATH_OPS_CAP    0x00000020 /* Allow new POSIX path based
2131                                                       calls including posix open
2132                                                       and posix unlink */
2133 #define CIFS_UNIX_LARGE_READ_CAP        0x00000040 /* support reads >128K (up
2134                                                       to 0xFFFF00 */
2135 #define CIFS_UNIX_LARGE_WRITE_CAP       0x00000080
2136 #define CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP 0x00000100 /* can do SPNEGO crypt */
2137 #define CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP  0x00000200 /* must do  */
2138 #define CIFS_UNIX_PROXY_CAP             0x00000400 /* Proxy cap: 0xACE ioctl and
2139                                                       QFS PROXY call */
2140 #ifdef CONFIG_CIFS_POSIX
2141 /* presumably don't need the 0x20 POSIX_PATH_OPS_CAP since we never send
2142    LockingX instead of posix locking call on unix sess (and we do not expect
2143    LockingX to use different (ie Windows) semantics than posix locking on
2144    the same session (if WINE needs to do this later, we can add this cap
2145    back in later */
2146 /* #define CIFS_UNIX_CAP_MASK              0x000000fb */
2147 #define CIFS_UNIX_CAP_MASK              0x000003db
2148 #else
2149 #define CIFS_UNIX_CAP_MASK              0x00000013
2150 #endif /* CONFIG_CIFS_POSIX */
2151
2152
2153 #define CIFS_POSIX_EXTENSIONS           0x00000010 /* support for new QFSInfo */
2154
2155 typedef struct {
2156         /* For undefined recommended transfer size return -1 in that field */
2157         __le32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
2158         __le32 BlockSize;
2159     /* The next three fields are in terms of the block size.
2160         (above). If block size is unknown, 4096 would be a
2161         reasonable block size for a server to report.
2162         Note that returning the blocks/blocksavail removes need
2163         to make a second call (to QFSInfo level 0x103 to get this info.
2164         UserBlockAvail is typically less than or equal to BlocksAvail,
2165         if no distinction is made return the same value in each */
2166         __le64 TotalBlocks;
2167         __le64 BlocksAvail;       /* bfree */
2168         __le64 UserBlocksAvail;   /* bavail */
2169     /* For undefined Node fields or FSID return -1 */
2170         __le64 TotalFileNodes;
2171         __le64 FreeFileNodes;
2172         __le64 FileSysIdentifier;   /* fsid */
2173         /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
2174         /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call   */
2175 } __attribute__((packed)) FILE_SYSTEM_POSIX_INFO;
2176
2177 /* DeviceType Flags */
2178 #define FILE_DEVICE_CD_ROM              0x00000002
2179 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM  0x00000003
2180 #define FILE_DEVICE_DFS                 0x00000006
2181 #define FILE_DEVICE_DISK                0x00000007
2182 #define FILE_DEVICE_DISK_FILE_SYSTEM    0x00000008
2183 #define FILE_DEVICE_FILE_SYSTEM         0x00000009
2184 #define FILE_DEVICE_NAMED_PIPE          0x00000011
2185 #define FILE_DEVICE_NETWORK             0x00000012
2186 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014
2187 #define FILE_DEVICE_NULL                0x00000015
2188 #define FILE_DEVICE_PARALLEL_PORT       0x00000016
2189 #define FILE_DEVICE_PRINTER             0x00000018
2190 #define FILE_DEVICE_SERIAL_PORT         0x0000001b
2191 #define FILE_DEVICE_STREAMS             0x0000001e
2192 #define FILE_DEVICE_TAPE                0x0000001f
2193 #define FILE_DEVICE_TAPE_FILE_SYSTEM    0x00000020
2194 #define FILE_DEVICE_VIRTUAL_DISK        0x00000024
2195 #define FILE_DEVICE_NETWORK_REDIRECTOR  0x00000028
2196
2197 typedef struct {
2198         __le32 DeviceType;
2199         __le32 DeviceCharacteristics;
2200 } __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info level 0x104 */
2201
2202 typedef struct {
2203         __le32 Attributes;
2204         __le32 MaxPathNameComponentLength;
2205         __le32 FileSystemNameLen;
2206         char FileSystemName[52]; /* do not have to save this - get subset? */
2207 } __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO;
2208
2209 /******************************************************************************/
2210 /* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */
2211 /******************************************************************************/
2212 typedef struct { /* data block encoding of response to level 263 QPathInfo */
2213         __le64 CreationTime;
2214         __le64 LastAccessTime;
2215         __le64 LastWriteTime;
2216         __le64 ChangeTime;
2217         __le32 Attributes;
2218         __u32 Pad1;
2219         __le64 AllocationSize;
2220         __le64 EndOfFile;       /* size ie offset to first free byte in file */
2221         __le32 NumberOfLinks;   /* hard links */
2222         __u8 DeletePending;
2223         __u8 Directory;
2224         __u16 Pad2;
2225         __le64 IndexNumber;
2226         __le32 EASize;
2227         __le32 AccessFlags;
2228         __u64 IndexNumber1;
2229         __le64 CurrentByteOffset;
2230         __le32 Mode;
2231         __le32 AlignmentRequirement;
2232         __le32 FileNameLength;
2233         char FileName[1];
2234 } __attribute__((packed)) FILE_ALL_INFO;        /* level 0x107 QPathInfo */
2235
2236 /* defines for enumerating possible values of the Unix type field below */
2237 #define UNIX_FILE      0
2238 #define UNIX_DIR       1
2239 #define UNIX_SYMLINK   2
2240 #define UNIX_CHARDEV   3
2241 #define UNIX_BLOCKDEV  4
2242 #define UNIX_FIFO      5
2243 #define UNIX_SOCKET    6
2244 typedef struct {
2245         __le64 EndOfFile;
2246         __le64 NumOfBytes;
2247         __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */
2248         __le64 LastAccessTime;
2249         __le64 LastModificationTime;
2250         __le64 Uid;
2251         __le64 Gid;
2252         __le32 Type;
2253         __le64 DevMajor;
2254         __le64 DevMinor;
2255         __le64 UniqueId;
2256         __le64 Permissions;
2257         __le64 Nlinks;
2258 } __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */
2259
2260 typedef struct {
2261         char LinkDest[1];
2262 } __attribute__((packed)) FILE_UNIX_LINK_INFO;  /* level 0x201 QPathInfo */
2263
2264 /* The following three structures are needed only for
2265         setting time to NT4 and some older servers via
2266         the primitive DOS time format */
2267 typedef struct {
2268         __u16 Day:5;
2269         __u16 Month:4;
2270         __u16 Year:7;
2271 } __attribute__((packed)) SMB_DATE;
2272
2273 typedef struct {
2274         __u16 TwoSeconds:5;
2275         __u16 Minutes:6;
2276         __u16 Hours:5;
2277 } __attribute__((packed)) SMB_TIME;
2278
2279 typedef struct {
2280         __le16 CreationDate; /* SMB Date see above */
2281         __le16 CreationTime; /* SMB Time */
2282         __le16 LastAccessDate;
2283         __le16 LastAccessTime;
2284         __le16 LastWriteDate;
2285         __le16 LastWriteTime;
2286         __le32 DataSize; /* File Size (EOF) */
2287         __le32 AllocationSize;
2288         __le16 Attributes; /* verify not u32 */
2289         __le32 EASize;
2290 } __attribute__((packed)) FILE_INFO_STANDARD;  /* level 1 SetPath/FileInfo */
2291
2292 typedef struct {
2293         __le64 CreationTime;
2294         __le64 LastAccessTime;
2295         __le64 LastWriteTime;
2296         __le64 ChangeTime;
2297         __le32 Attributes;
2298         __u32 Pad;
2299 } __attribute__((packed)) FILE_BASIC_INFO;      /* size info, level 0x101 */
2300
2301 struct file_allocation_info {
2302         __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */
2303 } __attribute__((packed));      /* size used on disk, for level 0x103 for set,
2304                                    0x105 for query */
2305
2306 struct file_end_of_file_info {
2307         __le64 FileSize;                /* offset to end of file */
2308 } __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */
2309
2310 struct file_alt_name_info {
2311         __u8   alt_name[1];
2312 } __attribute__((packed));      /* level 0x0108 */
2313
2314 struct file_stream_info {
2315         __le32 number_of_streams;  /* BB check sizes and verify location */
2316         /* followed by info on streams themselves
2317                 u64 size;
2318                 u64 allocation_size
2319                 stream info */
2320 };      /* level 0x109 */
2321
2322 struct file_compression_info {
2323         __le64 compressed_size;
2324         __le16 format;
2325         __u8   unit_shift;
2326         __u8   ch_shift;
2327         __u8   cl_shift;
2328         __u8   pad[3];
2329 } __attribute__((packed));      /* level 0x10b */
2330
2331 /* POSIX ACL set/query path info structures */
2332 #define CIFS_ACL_VERSION 1
2333 struct cifs_posix_ace { /* access control entry (ACE) */
2334         __u8  cifs_e_tag;
2335         __u8  cifs_e_perm;
2336         __le64 cifs_uid; /* or gid */
2337 } __attribute__((packed));
2338
2339 struct cifs_posix_acl { /* access conrol list  (ACL) */
2340         __le16  version;
2341         __le16  access_entry_count;  /* access ACL - count of entries */
2342         __le16  default_entry_count; /* default ACL - count of entries */
2343         struct cifs_posix_ace ace_array[0];
2344         /* followed by
2345         struct cifs_posix_ace default_ace_arraay[] */
2346 } __attribute__((packed));  /* level 0x204 */
2347
2348 /* types of access control entries already defined in posix_acl.h */
2349 /* #define CIFS_POSIX_ACL_USER_OBJ       0x01
2350 #define CIFS_POSIX_ACL_USER      0x02
2351 #define CIFS_POSIX_ACL_GROUP_OBJ 0x04
2352 #define CIFS_POSIX_ACL_GROUP     0x08
2353 #define CIFS_POSIX_ACL_MASK      0x10
2354 #define CIFS_POSIX_ACL_OTHER     0x20 */
2355
2356 /* types of perms */
2357 /* #define CIFS_POSIX_ACL_EXECUTE   0x01
2358 #define CIFS_POSIX_ACL_WRITE     0x02
2359 #define CIFS_POSIX_ACL_READ          0x04 */
2360
2361 /* end of POSIX ACL definitions */
2362
2363 /* POSIX Open Flags */
2364 #define SMB_O_RDONLY     0x1
2365 #define SMB_O_WRONLY    0x2
2366 #define SMB_O_RDWR      0x4
2367 #define SMB_O_CREAT     0x10
2368 #define SMB_O_EXCL      0x20
2369 #define SMB_O_TRUNC     0x40
2370 #define SMB_O_APPEND    0x80
2371 #define SMB_O_SYNC      0x100
2372 #define SMB_O_DIRECTORY 0x200
2373 #define SMB_O_NOFOLLOW  0x400
2374 #define SMB_O_DIRECT    0x800
2375
2376 typedef struct {
2377         __le32 OpenFlags; /* same as NT CreateX */
2378         __le32 PosixOpenFlags;
2379         __le64 Permissions;
2380         __le16 Level; /* reply level requested (see QPathInfo levels) */
2381 } __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */
2382
2383 typedef struct {
2384         __le16 OplockFlags;
2385         __u16 Fid;
2386         __le32 CreateAction;
2387         __le16 ReturnedLevel;
2388         __le16 Pad;
2389         /* struct following varies based on requested level */
2390 } __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */
2391
2392 #define SMB_POSIX_UNLINK_FILE_TARGET            0
2393 #define SMB_POSIX_UNLINK_DIRECTORY_TARGET       1
2394
2395 struct unlink_psx_rq { /* level 0x20a SetPathInfo */
2396         __le16 type;
2397 } __attribute__((packed));
2398
2399 struct file_internal_info {
2400         __le64  UniqueId; /* inode number */
2401 } __attribute__((packed));      /* level 0x3ee */
2402
2403 struct file_mode_info {
2404         __le32  Mode;
2405 } __attribute__((packed));      /* level 0x3f8 */
2406
2407 struct file_attrib_tag {
2408         __le32 Attribute;
2409         __le32 ReparseTag;
2410 } __attribute__((packed));      /* level 0x40b */
2411
2412
2413 /********************************************************/
2414 /*  FindFirst/FindNext transact2 data buffer formats    */
2415 /********************************************************/
2416
2417 typedef struct {
2418         __le32 NextEntryOffset;
2419         __u32 ResumeKey; /* as with FileIndex - no need to convert */
2420         FILE_UNIX_BASIC_INFO basic;
2421         char FileName[1];
2422 } __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */
2423
2424 typedef struct {
2425         __le32 NextEntryOffset;
2426         __u32 FileIndex;
2427         __le64 CreationTime;
2428         __le64 LastAccessTime;
2429         __le64 LastWriteTime;
2430         __le64 ChangeTime;
2431         __le64 EndOfFile;
2432         __le64 AllocationSize;
2433         __le32 ExtFileAttributes;
2434         __le32 FileNameLength;
2435         char FileName[1];
2436 } __attribute__((packed)) FILE_DIRECTORY_INFO;   /* level 0x101 FF resp data */
2437
2438 typedef struct {
2439         __le32 NextEntryOffset;
2440         __u32 FileIndex;
2441         __le64 CreationTime;
2442         __le64 LastAccessTime;
2443         __le64 LastWriteTime;
2444         __le64 ChangeTime;
2445         __le64 EndOfFile;
2446         __le64 AllocationSize;
2447         __le32 ExtFileAttributes;
2448         __le32 FileNameLength;
2449         __le32 EaSize; /* length of the xattrs */
2450         char FileName[1];
2451 } __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 rsp data */
2452
2453 typedef struct {
2454         __le32 NextEntryOffset;
2455         __u32 FileIndex;
2456         __le64 CreationTime;
2457         __le64 LastAccessTime;
2458         __le64 LastWriteTime;
2459         __le64 ChangeTime;
2460         __le64 EndOfFile;
2461         __le64 AllocationSize;
2462         __le32 ExtFileAttributes;
2463         __le32 FileNameLength;
2464         __le32 EaSize; /* EA size */
2465         __le32 Reserved;
2466         __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/
2467         char FileName[1];
2468 } __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF rsp data */
2469
2470 typedef struct {
2471         __le32 NextEntryOffset;
2472         __u32 FileIndex;
2473         __le64 CreationTime;
2474         __le64 LastAccessTime;
2475         __le64 LastWriteTime;
2476         __le64 ChangeTime;
2477         __le64 EndOfFile;
2478         __le64 AllocationSize;
2479         __le32 ExtFileAttributes;
2480         __le32 FileNameLength;
2481         __le32 EaSize; /* length of the xattrs */
2482         __u8   ShortNameLength;
2483         __u8   Reserved;
2484         __u8   ShortName[12];
2485         char FileName[1];
2486 } __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FFrsp data */
2487
2488 typedef struct {
2489         __u32  ResumeKey;
2490         __le16 CreationDate; /* SMB Date */
2491         __le16 CreationTime; /* SMB Time */
2492         __le16 LastAccessDate;
2493         __le16 LastAccessTime;
2494         __le16 LastWriteDate;
2495         __le16 LastWriteTime;
2496         __le32 DataSize; /* File Size (EOF) */
2497         __le32 AllocationSize;
2498         __le16 Attributes; /* verify not u32 */
2499         __u8   FileNameLength;
2500         char FileName[1];
2501 } __attribute__((packed)) FIND_FILE_STANDARD_INFO; /* level 0x1 FF resp data */
2502
2503
2504 struct win_dev {
2505         unsigned char type[8]; /* IntxCHR or IntxBLK */
2506         __le64 major;
2507         __le64 minor;
2508 } __attribute__((packed));
2509
2510 struct gea {
2511         unsigned char name_len;
2512         char name[1];
2513 } __attribute__((packed));
2514
2515 struct gealist {
2516         unsigned long list_len;
2517         struct gea list[1];
2518 } __attribute__((packed));
2519
2520 struct fea {
2521         unsigned char EA_flags;
2522         __u8 name_len;
2523         __le16 value_len;
2524         char name[1];
2525         /* optionally followed by value */
2526 } __attribute__((packed));
2527 /* flags for _FEA.fEA */
2528 #define FEA_NEEDEA         0x80 /* need EA bit */
2529
2530 struct fealist {
2531         __le32 list_len;
2532         struct fea list[1];
2533 } __attribute__((packed));
2534
2535 /* used to hold an arbitrary blob of data */
2536 struct data_blob {
2537         __u8 *data;
2538         size_t length;
2539         void (*free) (struct data_blob *data_blob);
2540 } __attribute__((packed));
2541
2542
2543 #ifdef CONFIG_CIFS_POSIX
2544 /*
2545         For better POSIX semantics from Linux client, (even better
2546         than the existing CIFS Unix Extensions) we need updated PDUs for:
2547
2548         1) PosixCreateX - to set and return the mode, inode#, device info and
2549         perhaps add a CreateDevice - to create Pipes and other special .inodes
2550         Also note POSIX open flags
2551         2) Close - to return the last write time to do cache across close
2552                 more safely
2553         3) FindFirst return unique inode number - what about resume key, two
2554         forms short (matches readdir) and full (enough info to cache inodes)
2555         4) Mkdir - set mode
2556
2557         And under consideration:
2558         5) FindClose2 (return nanosecond timestamp ??)
2559         6) Use nanosecond timestamps throughout all time fields if
2560            corresponding attribute flag is set
2561         7) sendfile - handle based copy
2562
2563         what about fixing 64 bit alignment
2564
2565         There are also various legacy SMB/CIFS requests used as is
2566
2567         From existing Lanman and NTLM dialects:
2568         --------------------------------------
2569         NEGOTIATE
2570         SESSION_SETUP_ANDX (BB which?)
2571         TREE_CONNECT_ANDX (BB which wct?)
2572         TREE_DISCONNECT (BB add volume timestamp on response)
2573         LOGOFF_ANDX
2574         DELETE (note delete open file behavior)
2575         DELETE_DIRECTORY
2576         READ_AND_X
2577         WRITE_AND_X
2578         LOCKING_AND_X (note posix lock semantics)
2579         RENAME (note rename across dirs and open file rename posix behaviors)
2580         NT_RENAME (for hardlinks) Is this good enough for all features?
2581         FIND_CLOSE2
2582         TRANSACTION2 (18 cases)
2583                 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2
2584                 (BB verify that never need to set allocation size)
2585                 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via
2586                          Unix ext?)
2587
2588         COPY (note support for copy across directories) - FUTURE, OPTIONAL
2589         setting/getting OS/2 EAs - FUTURE (BB can this handle
2590         setting Linux xattrs perfectly)         - OPTIONAL
2591         dnotify                                 - FUTURE, OPTIONAL
2592         quota                                   - FUTURE, OPTIONAL
2593
2594         Note that various requests implemented for NT interop such as
2595                 NT_TRANSACT (IOCTL) QueryReparseInfo
2596         are unneeded to servers compliant with the CIFS POSIX extensions
2597
2598         From CIFS Unix Extensions:
2599         -------------------------
2600         T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks
2601         T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2)
2602         T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK)
2603         T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC)  BB check for missing
2604                                                         inode fields
2605                                 Actually a need QUERY_FILE_UNIX_INFO
2606                                 since has inode num
2607                                 BB what about a) blksize/blkbits/blocks
2608                                                           b) i_version
2609                                                           c) i_rdev
2610                                                           d) notify mask?
2611                                                           e) generation
2612                                                           f) size_seqcount
2613         T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX
2614         TRANS2_GET_DFS_REFERRAL               - OPTIONAL but recommended
2615         T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL
2616  */
2617
2618 /* xsymlink is a symlink format (used by MacOS) that can be used
2619    to save symlink info in a regular file when
2620    mounted to operating systems that do not
2621    support the cifs Unix extensions or EAs (for xattr
2622    based symlinks).  For such a file to be recognized
2623    as containing symlink data:
2624
2625    1) file size must be 1067,
2626    2) signature must begin file data,
2627    3) length field must be set to ASCII representation
2628         of a number which is less than or equal to 1024,
2629    4) md5 must match that of the path data */
2630
2631 struct xsymlink {
2632         /* 1067 bytes */
2633         char signature[4]; /* XSym */ /* not null terminated */
2634         char cr0;         /* \n */
2635 /* ASCII representation of length (4 bytes decimal) terminated by \n not null */
2636         char length[4];
2637         char cr1;         /* \n */
2638 /* md5 of valid subset of path ie path[0] through path[length-1] */
2639         __u8 md5[32];
2640         char cr2;        /* \n */
2641 /* if room left, then end with \n then 0x20s by convention but not required */
2642         char path[1024];
2643 } __attribute__((packed));
2644
2645 typedef struct file_xattr_info {
2646         /* BB do we need another field for flags? BB */
2647         __u32 xattr_name_len;
2648         __u32 xattr_value_len;
2649         char  xattr_name[0];
2650         /* followed by xattr_value[xattr_value_len], no pad */
2651 } __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info
2652                                               level 0x205 */
2653
2654
2655 /* flags for chattr command */
2656 #define EXT_SECURE_DELETE               0x00000001 /* EXT3_SECRM_FL */
2657 #define EXT_ENABLE_UNDELETE             0x00000002 /* EXT3_UNRM_FL */
2658 /* Reserved for compress file 0x4 */
2659 #define EXT_SYNCHRONOUS                 0x00000008 /* EXT3_SYNC_FL */
2660 #define EXT_IMMUTABLE_FL                0x00000010 /* EXT3_IMMUTABLE_FL */
2661 #define EXT_OPEN_APPEND_ONLY            0x00000020 /* EXT3_APPEND_FL */
2662 #define EXT_DO_NOT_BACKUP               0x00000040 /* EXT3_NODUMP_FL */
2663 #define EXT_NO_UPDATE_ATIME             0x00000080 /* EXT3_NOATIME_FL */
2664 /* 0x100 through 0x800 reserved for compression flags and are GET-ONLY */
2665 #define EXT_HASH_TREE_INDEXED_DIR       0x00001000 /* GET-ONLY EXT3_INDEX_FL */
2666 /* 0x2000 reserved for IMAGIC_FL */
2667 #define EXT_JOURNAL_THIS_FILE   0x00004000 /* GET-ONLY EXT3_JOURNAL_DATA_FL */
2668 /* 0x8000 reserved for EXT3_NOTAIL_FL */
2669 #define EXT_SYNCHRONOUS_DIR             0x00010000 /* EXT3_DIRSYNC_FL */
2670 #define EXT_TOPDIR                      0x00020000 /* EXT3_TOPDIR_FL */
2671
2672 #define EXT_SET_MASK                    0x000300FF
2673 #define EXT_GET_MASK                    0x0003DFFF
2674
2675 typedef struct file_chattr_info {
2676         __le64  mask; /* list of all possible attribute bits */
2677         __le64  mode; /* list of actual attribute bits on this inode */
2678 } __attribute__((packed)) FILE_CHATTR_INFO;  /* ext attributes
2679                                                 (chattr, chflags) level 0x206 */
2680 #endif                          /* POSIX */
2681 #endif                          /* _CIFSPDU_H */